OpenTechnical

OT-2026-000034943

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line 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-2026-000034943) never changes.

Identity and time

Publication numberOT-2026-000034943 · never reused
Internal UUID01a0ae76-1ed3-72ae-bf53-c05b3cf76379 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034943
StatusPUBLIC

Content hashes

Canonical text4d342893919e0ef2297e78b14aa9fb61cc81286e74f45ed6330337ae2f13f457
Markdownfe5a2bdf7260828c7d70df0d59000aebcc8b5cb952d2326a641a53f655956546
PDF
Publication page8b14b7e904a9f98f1668bcd84f38e961ba453a0e8da4a63d74559bdaad382799
Manifest40b809b57569c5a8ecba63c97e5807b2d48f2ee685981e4b74c56b741aff631f

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
Signature/sho1ZMNC43VQ2uNI020Unz5jjlYS4m7TcOinXzP+uDuPlkb2y0b+f/CbvTg5AgSkRgouHa4ba5FCS8s1p09BQ==
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

2026-09-17T11:30:44.255900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034943
observed 8b14b7e904a9f98f1668bcd84f38e961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.236860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034943/manifest.json
observed 40b809b57569c5a8ecba63c97e5807b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.217705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034943/publication.md
observed fe5a2bdf7260828c7d70df0d59000aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.195915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034943/publication.txt
observed 4d342893919e0ef2297e78b14aa9fb61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:58.962586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034943
observed 8b14b7e904a9f98f1668bcd84f38e961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:58.945050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034943/manifest.json
observed 40b809b57569c5a8ecba63c97e5807b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:58.927038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034943/publication.md
observed fe5a2bdf7260828c7d70df0d59000aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:58.906305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034943/publication.txt
observed 4d342893919e0ef2297e78b14aa9fb61...
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.