OpenTechnical

OT-2026-000034645

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000034645) never changes.

Identity and time

Publication numberOT-2026-000034645 · never reused
Internal UUID01a0ae76-1ed1-73f5-97a5-3d7a77ed2f09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034645
StatusPUBLIC

Content hashes

Canonical text35120d080283f247b50c1c104e214474da3d937348cf2094b682a3a355297554
Markdown77b12fc7b4b7dd8b7a5e64b34b4a367cd0ae3ad1561dcdd3136cdfd025d1bd51
PDF
Publication paged37ae6212cc3b002c055a4694bb2586b4ba9cd011703b9841e8b599b334ecaa7
Manifest177b9d1cec74b127ade65e81f84aced0e368901f796c6a92de6eb22524f40fb7

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
SignatureQs55d6yhLMx+q+T6wB7uT6CWOoXuGi0BHb1WT9vJ/b8ruJTxhq0ZaGXQ51OocmISB/4uWeCHq7GycfTVB/g7Bw==
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

2026-09-17T11:29:02.082843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034645
observed d37ae6212cc3b002c055a4694bb2586b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.066299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034645/manifest.json
observed 177b9d1cec74b127ade65e81f84aced0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.049908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034645/publication.md
observed 77b12fc7b4b7dd8b7a5e64b34b4a367c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.030080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034645/publication.txt
observed 35120d080283f247b50c1c104e214474...
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.