OpenTechnical

OT-2026-000016783

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pulsed 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-2026-000016783) never changes.

Identity and time

Publication numberOT-2026-000016783 · never reused
Internal UUID01a0ae6e-5919-7da1-968a-9f1ba9693b01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016783
StatusPUBLIC

Content hashes

Canonical textb521892e020e9c35fe3bedc3092629de025dd7cf7c459f12a9b9cd381ea524dd
Markdown1de72ee7ef6380b9d542bb3d6543b60226de12f63d3a8f1f6e2f0b0eb74c615a
PDF
Publication page5bbd57936c98e26ffd63e824e4c3aee51a7eec5e1cb4195905df439b5432a63e
Manifestf08702123013df37be2c3a66b59693cc1470fbf3f1dc93cc80f906bc9315cdc9

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
SignatureWigT/Tj4jcKoOVM+lkmGa9N8DOZAr5R6nA1iefdHPoVbEFxrbyGEdqpfPKio4SX0m0u9xp3wsyW5hqeYGeTnAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:01.686696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016783
observed 5bbd57936c98e26ffd63e824e4c3aee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:01.668832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016783/manifest.json
observed f08702123013df37be2c3a66b59693cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:01.652119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016783/publication.md
observed 1de72ee7ef6380b9d542bb3d6543b602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:01.636200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016783/publication.txt
observed b521892e020e9c35fe3bedc3092629de...
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.