OpenTechnical

OT-2026-000100350

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000100350) never changes.

Identity and time

Publication numberOT-2026-000100350 · never reused
Internal UUID01a0aea3-3054-71f4-ad91-65e6b403ab33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100350
StatusPUBLIC

Content hashes

Canonical textfea85732e8b7a0f12178a4ce2f8b53010c4000de95b55744970f1aa0a67b06bb
Markdown9268fae1c1bf3a5662c169c29b6476c65cd31c20e4e8fb8affd3bb15276f12ae
PDF
Publication pagec3a197ca2069953bfccd57a35c272d17c2f65cc6d691974457baf00973426c65
Manifestac4dff8800637721ac0c0f229885002d2b86abb43f26774b4f8b2424c065735e

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
SignatureBRwhvr6YW5mDnDz5S7KALLo0FxpdL3hBdl9Gq3mgpNR4Ty9Tf4CB9YDVGfLMW4dgKTRw2LJwffPFSZ72zA7+BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:17.973033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100350
observed c3a197ca2069953bfccd57a35c272d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.946265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100350/manifest.json
observed ac4dff8800637721ac0c0f229885002d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.924708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100350/publication.md
observed 9268fae1c1bf3a5662c169c29b6476c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.902774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100350/publication.txt
observed fea85732e8b7a0f12178a4ce2f8b5301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.303102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100350
observed c3a197ca2069953bfccd57a35c272d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.284834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100350/manifest.json
observed ac4dff8800637721ac0c0f229885002d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.266811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100350/publication.md
observed 9268fae1c1bf3a5662c169c29b6476c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.248524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100350/publication.txt
observed fea85732e8b7a0f12178a4ce2f8b5301...
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.