OpenTechnical

OT-2026-000087376

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000087376) never changes.

Identity and time

Publication numberOT-2026-000087376 · never reused
Internal UUID01a0ae9a-cd4f-7fa1-8c57-b00fedb45d7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087376
StatusPUBLIC

Content hashes

Canonical text281fad676aba22f594a76254169848f7741660b7881831a4718d3453c7a4558b
Markdown66cf25d41abb62ba0b24847c6b927e6cfaa7c94f4f37e0fe880cb899b8e76c8d
PDF
Publication pagebf90263e74a007748500d8994383b1b54924adb322c4d688d764ebe7d90d1ab8
Manifestce6bc7f0dad5f37d09c42aed1906689290874b7824b52bf13233080c3cdc1dec

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
SignatureQBfMBSGXo3ub/22JcD7zb1uR0p9g+A/S4bWgldQtgzzyDyE2YbRq/P5iCYy80DrCHE92iDsB8ZT9jk8KLe2sDA==
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

2026-09-17T09:50:33.949819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087376
observed bf90263e74a007748500d8994383b1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.933549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087376/manifest.json
observed ce6bc7f0dad5f37d09c42aed19066892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.917110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087376/publication.md
observed 66cf25d41abb62ba0b24847c6b927e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.899110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087376/publication.txt
observed 281fad676aba22f594a76254169848f7...
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.