OpenTechnical

OT-2026-000034759

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000034759) never changes.

Identity and time

Publication numberOT-2026-000034759 · never reused
Internal UUID01a0ae76-1ed2-72fd-a7d8-c3ef58ded968 · 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-2026-000034759
StatusPUBLIC

Content hashes

Canonical textd8aa148ca87b71325881637470914d1c9d2ccefc83cbe234fa07b8a4e543d050
Markdown21388f4a998e10b6a48c1cba53e2d4a985697f77a240a0e71a27c4a96d375e01
PDF
Publication page758a9667b95c127be73102a00aa9d436f3f649aaa11c9165835453e80c8d711b
Manifest5fcdced865107b73099b3ec43efd9ea8d75a52afdaf9b6d21481f748d3d7ff32

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
Signature3wM5HvIrmMabmYeSPF7JDOff4pnyt6NBAFcQbJJ21GC+W3IrA2Vt1+Eygzple4eyb8BLhWSurx7Gjp6UZp+PAQ==
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

2026-09-17T11:30:15.002841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034759
observed 758a9667b95c127be73102a00aa9d436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.984827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034759/manifest.json
observed 5fcdced865107b73099b3ec43efd9ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.967212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034759/publication.md
observed 21388f4a998e10b6a48c1cba53e2d4a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.948702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034759/publication.txt
observed d8aa148ca87b71325881637470914d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:43.439318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034759
observed 758a9667b95c127be73102a00aa9d436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:43.421294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034759/manifest.json
observed 5fcdced865107b73099b3ec43efd9ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:43.377528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034759/publication.md
observed 21388f4a998e10b6a48c1cba53e2d4a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:43.359106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034759/publication.txt
observed d8aa148ca87b71325881637470914d1c...
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.