OpenTechnical

OT-2026-000051786

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000051786) never changes.

Identity and time

Publication numberOT-2026-000051786 · never reused
Internal UUID01a0ae83-7c83-72d9-9833-881d8e8ada65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051786
StatusPUBLIC

Content hashes

Canonical text4d7323492d555645d897e868bb97191056087623a0637e8ddc412785f8deccff
Markdowneb180d615c0fe4fe47cb8596dc350626fc0644b2cd8d8719312eef8ee6ccabe6
PDF
Publication pageac9d477d0f45068f14033e7a46973879ad07d230bbe986f2679b3319c9a08524
Manifest2a4b03ce6ce9bda8eaf32470894b5f603f5051b2441274411157aeecdb5453ce

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
SignaturetJyI5FdoalD+tRYYya54OnNgO6kjl68bFxlxqMt3DmcX8xV/gkh5qlkeHYnWV68KPBP4askhT7RNrFFMbimhDw==
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

2026-09-17T10:58:41.781636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051786
observed ac9d477d0f45068f14033e7a46973879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.760884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051786/manifest.json
observed 2a4b03ce6ce9bda8eaf32470894b5f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.743873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051786/publication.md
observed eb180d615c0fe4fe47cb8596dc350626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.723332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051786/publication.txt
observed 4d7323492d555645d897e868bb971910...
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.