OpenTechnical

OT-2026-000029962

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000029962) never changes.

Identity and time

Publication numberOT-2026-000029962 · never reused
Internal UUID01a0ae73-ac48-7b57-aab0-711e49e152e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029962
StatusPUBLIC

Content hashes

Canonical textbbbcb1fbaf5c62a908f85a3966d6462f9c51466d5f264876c472471c1b999ae0
Markdown571258a0780247648e8844aa14b47668d50ca58e8a3b622d2962af708cb0b553
PDF
Publication pagecbc54c16c5b4206dc2865e1a6fd16f43a6727a8bab97639038e05480d35c7578
Manifest753150b6fe409af542c0c3f76dcd59d0ee849c18284c2e4d40147b817b058393

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
SignatureMpvhhoEqd0koC+I7cZCX9ya/4HKbU8dFGPuYdt3LXpLdR0Vi1Q1kfTm4BSDXMGlazmUu0N0t/wvn420tC7pnCg==
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

2026-09-17T11:38:40.766300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029962
observed cbc54c16c5b4206dc2865e1a6fd16f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.748923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029962/manifest.json
observed 753150b6fe409af542c0c3f76dcd59d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.730390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029962/publication.md
observed 571258a0780247648e8844aa14b47668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.713703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029962/publication.txt
observed bbbcb1fbaf5c62a908f85a3966d6462f...
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.