OpenTechnical

OT-2026-000007953

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, vented 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-2026-000007953) never changes.

Identity and time

Publication numberOT-2026-000007953 · never reused
Internal UUID01a0ae6a-908b-722a-92be-b29e5f305870 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007953
StatusPUBLIC

Content hashes

Canonical text5699f61459db3b3820fe11994ff64b677d0cc3afd96077859595419ad4dbb3ae
Markdowne88eb9ddbf5cf72796000ed9059b71103525d588957b4825eaac639ff9f3381f
PDF
Publication page56d230e8c57b2471814e49b9740969bbfcf17d743212698c11e6457e7720eb90
Manifesta66af8e148a446b5122c6f1295488e72c33ae719a14a2fe2e17f274b0dd2ba14

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/V/+eCVcjKCbCiZ8aXTi6WY6H9wqclHsiA3tjO8hr7Mm2e6tY0qZqrmlhhyistpsS51H710cXyAMhje/b9e+DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:27.682123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007953
observed 56d230e8c57b2471814e49b9740969bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.666219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007953/manifest.json
observed a66af8e148a446b5122c6f1295488e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.639679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007953/publication.md
observed e88eb9ddbf5cf72796000ed9059b7110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.618948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007953/publication.txt
observed 5699f61459db3b3820fe11994ff64b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.168603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007953
observed 56d230e8c57b2471814e49b9740969bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.151957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007953/manifest.json
observed a66af8e148a446b5122c6f1295488e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.123431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007953/publication.md
observed e88eb9ddbf5cf72796000ed9059b7110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.098478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007953/publication.txt
observed 5699f61459db3b3820fe11994ff64b67...
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.