OpenTechnical

OT-2026-000089951

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089951) never changes.

Identity and time

Publication numberOT-2026-000089951 · never reused
Internal UUID01a0ae9c-428d-7dad-8cc7-0bd63d477770 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089951
StatusPUBLIC

Content hashes

Canonical text1f168ac72d2553665d1cba552a7ce0bd364e9d11cc1d19ff728ac23380a41ffa
Markdownab8ac231d09ffc2929861d43f41b5234113cb4095e8b07a39ed1117de41f0a88
PDF
Publication pagea79b28019eb0978ef1295a573fb8f1f61b9cac0c7c76aca4d3a16b5dffa8cbf1
Manifest8e2ce2f06e9445217c16484e363eb7bad4f97d4fd4bfdc440aa63bbc0304d654

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
SignatureKJwOUeuW8ob1xQKdh8jB9/DSCwLMr9A5RYzCSYEA1wxo2z3RHukztsPb74wqNhjyOwSKwrbVhvRRAHtNV7cKBQ==
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

2026-09-17T09:45:19.986343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089951
observed a79b28019eb0978ef1295a573fb8f1f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.967126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089951/manifest.json
observed 8e2ce2f06e9445217c16484e363eb7ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.948198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089951/publication.md
observed ab8ac231d09ffc2929861d43f41b5234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.929052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089951/publication.txt
observed 1f168ac72d2553665d1cba552a7ce0bd...
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.