OpenTechnical

OT-2026-000036663

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000036663) never changes.

Identity and time

Publication numberOT-2026-000036663 · never reused
Internal UUID01a0ae77-46e8-7fda-abe6-bc82b1a72cbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036663
StatusPUBLIC

Content hashes

Canonical text78a6a500e10d14e63412a56d3bcac9382aaddd005e994f5f13c2e5fe6021b738
Markdowneff3fb324268691ba9319eabf71619001bd20541a205f1e12e70fb5fef6fdd14
PDF
Publication page9b6002a2483345ae52f60cdefce3c431135bbbccb57efeaf7085554297aab625
Manifest12ef45adcd0f3e3447b06e2f767f20d47921ebb0273092284fe3f2b081d087c1

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
SignaturefUgqNedZmhHLAFy13XMWPWO+6oJPZwH9XuWCKzV4FnoRrd9ID9DBPU/MvzRqSXD6lX8XwDazLH50f/GR+wuXBg==
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

2026-09-17T11:26:00.882189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036663
observed 9b6002a2483345ae52f60cdefce3c431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:00.866734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036663/manifest.json
observed 12ef45adcd0f3e3447b06e2f767f20d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:00.847569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036663/publication.md
observed eff3fb324268691ba9319eabf7161900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:00.830086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036663/publication.txt
observed 78a6a500e10d14e63412a56d3bcac938...
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.