OpenTechnical

OT-2026-000014175

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000014175) never changes.

Identity and time

Publication numberOT-2026-000014175 · never reused
Internal UUID01a0ae6d-b279-7066-92fb-d0048b6dcbb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014175
StatusPUBLIC

Content hashes

Canonical textb5ad433cbe3a3f9c9189d68de3689352a866117f111d91d6757764304fa18a69
Markdown4cf8a031d7f3f30778f21e754c2b1af1a598ecdb4dbde0f6c556ad024dd379fc
PDF
Publication page275b1b6a78fcb0e1f164d073ab8ee55e571013c9f7f27778b022a15e2ac9528a
Manifestf4abfd57e642998d310e9859d3feb30c284e65940b185969f539a8c9f93d1d5c

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
SignatureZhOKv+ITq2Ik6JdZOV5r327Q1cuU9Pyat9hxQ/E/5bS0gS9nlM9yFlv+2ighW+KW/dZvBT5ONP7pdnQRGJtjDg==
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

2026-09-17T12:07:16.025812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014175
observed 275b1b6a78fcb0e1f164d073ab8ee55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.999403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014175/manifest.json
observed f4abfd57e642998d310e9859d3feb30c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.980557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014175/publication.md
observed 4cf8a031d7f3f30778f21e754c2b1af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.960231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014175/publication.txt
observed b5ad433cbe3a3f9c9189d68de3689352...
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.