OpenTechnical

OT-2026-000055154

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000055154) never changes.

Identity and time

Publication numberOT-2026-000055154 · never reused
Internal UUID01a0ae86-5e82-7afc-93fb-3a97e3847568 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055154
StatusPUBLIC

Content hashes

Canonical text264fb6b3ba9f5a7dd77982b3ca476b4d8f33315eb7e723d4bb8003929d721e6e
Markdown52a07e1525a90f67a919e9986f78eed46f7d6895699b67101239b0befb0e9a86
PDF
Publication pagecacee81f3036f2de9956c0e1e16026e0451d97e770031a49c7369f38fe9b071c
Manifestb97f6815d5ffdcadbe5b237644f4c0d0bfe2775f08768227ffff6634666bfc82

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
Signature7UerE96MUr/EHJOZ4vqg6KxWuof4CeBQTKO5+DLr/MCg2Eg67K2K79SteEvsAPnWw4P/r9RJjBXF57a20Ak9AA==
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

2026-09-17T10:53:20.121607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055154
observed cacee81f3036f2de9956c0e1e16026e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:20.101206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055154/manifest.json
observed b97f6815d5ffdcadbe5b237644f4c0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:20.081623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055154/publication.md
observed 52a07e1525a90f67a919e9986f78eed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:20.064551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055154/publication.txt
observed 264fb6b3ba9f5a7dd77982b3ca476b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.