OpenTechnical

OT-2026-000017225

Publication integrity record

Single cup vacuum gripper, three 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-2026-000017225) never changes.

Identity and time

Publication numberOT-2026-000017225 · never reused
Internal UUID01a0ae6e-76c7-7f95-8f9a-fb03d504a4b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017225
StatusPUBLIC

Content hashes

Canonical textd4c2ddea64f2a36dc707723d2c171c7119f66f596d244ed38aefde4f5dfd450b
Markdown060265e00229719196f6d75ed1bc802e9ae0f6c87e55f6f25cbc514bd7e0664e
PDF
Publication page47013561fb0f4fabe625858c1669048df04c40fd02eae37d33758b8543858668
Manifest4db038d77094b8b64c273676d3f80b11b6e3554d7b0fb1f02044dc5d2c191aeb

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
SignatureS+ivrhlm1MKLpeSILf0lhEsWrc1+7Vm6QmjXtZrY3TzkqAM0xLK6jocfKcczl0Qxhwbojxvx45GHPXQ5tD15BA==
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

2026-10-29T04:23:24.775160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017225
observed 47013561fb0f4fabe625858c1669048d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-29T04:23:24.760958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017225/manifest.json
observed 4db038d77094b8b64c273676d3f80b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-29T04:23:24.730747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017225/publication.md
observed 060265e00229719196f6d75ed1bc802e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-29T04:23:24.639734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017225/publication.txt
observed d4c2ddea64f2a36dc707723d2c171c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.305199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017225
observed 47013561fb0f4fabe625858c1669048d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.289420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017225/manifest.json
observed 4db038d77094b8b64c273676d3f80b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.273033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017225/publication.md
observed 060265e00229719196f6d75ed1bc802e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.257589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017225/publication.txt
observed d4c2ddea64f2a36dc707723d2c171c71...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent