OpenTechnical

OT-2026-000087608

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, sustained 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-2026-000087608) never changes.

Identity and time

Publication numberOT-2026-000087608 · never reused
Internal UUID01a0ae9a-cd53-7440-bc98-de223d1d7aca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087608
StatusPUBLIC

Content hashes

Canonical textd999186ea140e5db24b1e6aa3744ce13d7d775448753b6a4fb61de8e1260331b
Markdown6121400c439e7e2bc7212a6d6723167fd7eeee893b20b5325f5c029c1b3526b4
PDF
Publication page626ea34c5a584980e8299654362df9e719d828ea88c00a0c75d32d017597bd72
Manifest7695a846678eba11ca2f25fff4d2cd4e8b9797271cc2ff4cc532e598ee3d9975

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
Signature4HoAVbDYNgmCEb/1Y4WzkaiergxDHCgzbhTOmOJbNnaZJtoNF7yaJlWDjuStmdadZTWvwpTcNQYnjMAG6x+4DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:02.991561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087608
observed 626ea34c5a584980e8299654362df9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.975631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087608/manifest.json
observed 7695a846678eba11ca2f25fff4d2cd4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.956761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087608/publication.md
observed 6121400c439e7e2bc7212a6d6723167f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.939995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087608/publication.txt
observed d999186ea140e5db24b1e6aa3744ce13...
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.