OpenTechnical

OT-2026-000029999

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000029999) never changes.

Identity and time

Publication numberOT-2026-000029999 · never reused
Internal UUID01a0ae73-ac49-70cf-afc6-5564dfc1d609 · 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-2026-000029999
StatusPUBLIC

Content hashes

Canonical text71c3f17c28ba108685801d66b00987112d74d66e1868c40eee13cbaed45a7da9
Markdown56f04033ddf38b7d90bddc4a4b7a4fc85ee23b2c9541971207f76040b8a47049
PDF
Publication page5561fd6ef38420ffe3c4c52a54926babd706e0f99d2a4895711ec7a60a3d3683
Manifest717ed1831f9b10a096ce5aa875fe3c306f74e905a1528e9cf286972b39dd8344

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
Signatureq+EW4l7HvbvcRctt+HrXY9tzBuLnZ7jaLadZYzkZrMyVO7qNKQ/rYLqORlteH47O7HkA1KquBGUa/MtkloHZCQ==
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

2026-09-17T11:38:43.642339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029999
observed 5561fd6ef38420ffe3c4c52a54926bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.623714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029999/manifest.json
observed 717ed1831f9b10a096ce5aa875fe3c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.606625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029999/publication.md
observed 56f04033ddf38b7d90bddc4a4b7a4fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.589219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029999/publication.txt
observed 71c3f17c28ba108685801d66b0098711...
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.