OpenTechnical

OT-2026-000089651

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000089651) never changes.

Identity and time

Publication numberOT-2026-000089651 · never reused
Internal UUID01a0ae9c-1a21-7dda-976a-ed2d742830bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089651
StatusPUBLIC

Content hashes

Canonical texte357e197e65f04189cb0d8579f9142d23d89bfa1db9a8601171f686d092a42d5
Markdown0a8ab94092ecc2c6b2b3529a59353c59eaa3d8ea03e7bfbd1ffbd857beb20d5a
PDF
Publication pagec4de729f6976bf4d025ad72377914df6f95a1daad19a23909c2b17e62aad7202
Manifest8375da74c1b56a6fce5fa7116d7bb377542341e0fe675b5f73c4b356bcae97a6

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
SignaturewGTbhkpTinY6D66zBUkYVW6vLBxjDFIaqWQqSC9BSVPACaZ6dY3NYMP5F5wYe4XEctbUjWErVS173U02vXWoAw==
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

2026-09-17T09:46:38.525480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089651
observed c4de729f6976bf4d025ad72377914df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.508393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089651/manifest.json
observed 8375da74c1b56a6fce5fa7116d7bb377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.490810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089651/publication.md
observed 0a8ab94092ecc2c6b2b3529a59353c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.472946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089651/publication.txt
observed e357e197e65f04189cb0d8579f9142d2...
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.