OpenTechnical

OT-2026-000081661

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000081661) never changes.

Identity and time

Publication numberOT-2026-000081661 · never reused
Internal UUID01a0ae97-0f73-7646-8365-4ddc73fbdcfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081661
StatusPUBLIC

Content hashes

Canonical text0cdf75abe6323683d35a79bc12887b2df78ec578bc7d85414bffd9ab60d8e9aa
Markdownc9ced10423216152227a2a9e7b9c977dd8338b41a249584dc6bd66d0af6efe1d
PDF
Publication page6224a7b09052bced71d94ce9765591717df78ab4bcdc2b70aba48ef27f298f0a
Manifest47a3cef6cad3aa8d163b9dde90843d169ad155c16d41d64952ad19a7231c469f

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
Signature5+A//vrFti4cywVF1hnjYAqCtWFKzfaaj1wBc4s+sGrBZpiE3gFdcVponjvSQ6sVFkgI/fmWpiFZRUQEZwqAAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:43.008811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081661
observed 6224a7b09052bced71d94ce976559171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.991564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081661/manifest.json
observed 47a3cef6cad3aa8d163b9dde90843d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.974157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081661/publication.md
observed c9ced10423216152227a2a9e7b9c977d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.955530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081661/publication.txt
observed 0cdf75abe6323683d35a79bc12887b2d...
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.