OpenTechnical

OT-2026-000086909

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single 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-2026-000086909) never changes.

Identity and time

Publication numberOT-2026-000086909 · never reused
Internal UUID01a0ae9a-80a5-713c-86fa-acc98ec94282 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086909
StatusPUBLIC

Content hashes

Canonical text0a34614f596db55d8ecaa84f2b501988f72c6e2732bc6da23fb0bcf19bc9bae1
Markdownac1844764d4aa97389c1bbded5b4572c096b8460977cc90f99f4a03871c17c95
PDF
Publication page5aa91144cf804c3e8c971bc9de3890fa9259514f6fe6a1437675dec2987f0dfa
Manifest3ed76fe6cb95f35db7f4659817bbbf55d07a97b5746c819e06a8a3976174ab33

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
SignaturevyaKpRk9UMu5D03/55PLZDwJm5dM09NSz56QRj4uUaSfuQd/tnwLZ1Oa0bneEG9w4mFiydaw9AXjr7wVjeQiDQ==
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

2026-09-17T09:51:45.766555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086909
observed 5aa91144cf804c3e8c971bc9de3890fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.749490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086909/manifest.json
observed 3ed76fe6cb95f35db7f4659817bbbf55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.732897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086909/publication.md
observed ac1844764d4aa97389c1bbded5b4572c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.715178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086909/publication.txt
observed 0a34614f596db55d8ecaa84f2b501988...
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.