OpenTechnical

OT-2026-000103615

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pulsed blow-off after 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-2026-000103615) never changes.

Identity and time

Publication numberOT-2026-000103615 · never reused
Internal UUID01a0aea4-e461-7edd-907a-2c54fe2917e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103615
StatusPUBLIC

Content hashes

Canonical text99b3bc6ef0be621935a36b429f22ac0c643f98933feb2e595197aaf013a9c986
Markdown449e78d75b7d211a69e5d9059f48112ed3bd6a4add8b11b43489e490765fd626
PDF
Publication pageba3ce42867d03ed4d0400b9c86b7fecedf07131c3dc3aa482420aaa6601a79f6
Manifest5724f3745581bac8275a0482ff92f6a8ef5f6ee5e81c598558ff8ae336942ff2

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
Signaturey6EAqfjAXE9SSFX9c5r+5TCWNToLpDlFSa8gMnibSv+VteX1RBLmalZOD4U0kWorqmN2hvS532uYf124cV6wBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:24.420351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103615
observed ba3ce42867d03ed4d0400b9c86b7fece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.401932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103615/manifest.json
observed 5724f3745581bac8275a0482ff92f6a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.383606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103615/publication.md
observed 449e78d75b7d211a69e5d9059f48112e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.365747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103615/publication.txt
observed 99b3bc6ef0be621935a36b429f22ac0c...
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.