OpenTechnical

OT-2026-000041551

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000041551) never changes.

Identity and time

Publication numberOT-2026-000041551 · never reused
Internal UUID01a0ae79-e89f-7786-b16c-00104a2b0303 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041551
StatusPUBLIC

Content hashes

Canonical text4a33f816095e7f4da3afc805cafe4d67afc9a8aa66fdc5126dc848bd26bc1e76
Markdownb2f27e8aac3f4834d968098519967f4d6de0a148a76b9f133941ae6fdff43e1a
PDF
Publication pagef17fe3a6b4ca22967f2339332440d7d7605d37e1a63bb020ec75f6f760645dc4
Manifeste8f77074a13becdf78b72f5af883ff974345afd4159035a794ffedfceb6b1104

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
SignatureA09p88zoCFYZdjglN9Btp2Kiqxdah/FTbkHsqLqj4ul3gWQsnkXgRWqRNVBzYGgnHrpWsHGNYI1SChimmVyzDQ==
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

2026-09-17T11:16:19.674252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041551
observed f17fe3a6b4ca22967f2339332440d7d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.657309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041551/manifest.json
observed e8f77074a13becdf78b72f5af883ff97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.640717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041551/publication.md
observed b2f27e8aac3f4834d968098519967f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.623429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041551/publication.txt
observed 4a33f816095e7f4da3afc805cafe4d67...
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.