OpenTechnical

OT-2026-000052238

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000052238) never changes.

Identity and time

Publication numberOT-2026-000052238 · never reused
Internal UUID01a0ae83-e790-77ca-a3dd-09ab15bb749a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052238
StatusPUBLIC

Content hashes

Canonical text70fc2f46a04df375142315025fd97b1cca0bdeabf9d81984e5d01baf3b44e589
Markdownc679a9b0647794c2f2b06e638de1262d1e721a63675e8cfda660859d956b92e9
PDF
Publication page7b3acd51d6e59efa41f38cf3093620b8a33696f37b033b5e46dbef0d1f949bc8
Manifest94fb23512f8e668cc6e7bc02cce03ede2ce84bb17a2692db625e7e2b4fef04aa

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturecgGuZmQ3YAhYFxWji8eoOmAmGmQlyIGCbqhkrWwt+4lLrj9X0Gz9SSBOO3pgWVJrXmCkf+VZdf5bAIxKAJDXCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-28T04:23:40.628211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052238
observed 7b3acd51d6e59efa41f38cf3093620b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-28T04:23:40.613265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052238/manifest.json
observed 94fb23512f8e668cc6e7bc02cce03ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-28T04:23:40.598520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052238/publication.md
observed c679a9b0647794c2f2b06e638de1262d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-28T04:23:40.574884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052238/publication.txt
observed 70fc2f46a04df375142315025fd97b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-10T00:42:26.871277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052238
observed 7b3acd51d6e59efa41f38cf3093620b8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T00:42:26.795115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052238/manifest.json
observed 94fb23512f8e668cc6e7bc02cce03ede...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T00:42:26.703747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052238/publication.md
observed c679a9b0647794c2f2b06e638de1262d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T00:42:26.612571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052238/publication.txt
observed 70fc2f46a04df375142315025fd97b1c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent