OpenTechnical

OT-2026-000022176

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000022176) never changes.

Identity and time

Publication numberOT-2026-000022176 · never reused
Internal UUID01a0ae6f-f4fc-722f-9104-aeb3289a03ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022176
StatusPUBLIC

Content hashes

Canonical text25f0e5244bc053fd72b7b72f43a6a709f77dcbd2b5603b80b4cebdbfe1318f19
Markdown8229d66c121ce5881650ec49aadb0a7a2c713c3e2eb4e95f533fdfce20a06de6
PDF
Publication pageecf98803d9ba4eea6b398453109b002e318cf4949af9a328946b307f4f29add3
Manifest040a6c4765b39fa97526ba75680d4c9a28a93dbb04fe7c228b262a8b78d9851c

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
Signature7QP6ASKvvUxbUaja7QWOCK7g3iZpd/ICPgE89jD03/Bw894E0SCRafUAcT7J1B68IWFfjK8pIqRtn2WL8V0HAA==
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

2026-09-17T11:52:51.386445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022176
observed ecf98803d9ba4eea6b398453109b002e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.368948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022176/manifest.json
observed 040a6c4765b39fa97526ba75680d4c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.351180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022176/publication.md
observed 8229d66c121ce5881650ec49aadb0a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.333870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022176/publication.txt
observed 25f0e5244bc053fd72b7b72f43a6a709...
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.