OpenTechnical

OT-2026-000014675

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000014675) never changes.

Identity and time

Publication numberOT-2026-000014675 · never reused
Internal UUID01a0ae6d-d093-73bc-a259-fb0485bcdfa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014675
StatusPUBLIC

Content hashes

Canonical textf34c990d8f98f76ef895a18b404e41010280f4f0b23ba1d8e17a490c28fd6cf2
Markdownda4b7f568c1e1df78e38282df428107047bc998083f8b156230f81f733c63a0a
PDF
Publication pagefb64a7a62fba3d15197a11761c1af1d923eff3616381ea4e4f314e70ca986211
Manifest265158f07349addcd43fe621090ed50bc503ee7d3dd8ce65f1d1db011a497183

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
SignatureXfx1oArWpO5yc79a6w3kNAETyM79jD73B8VSgZU8OsVO8jy/Bup3kQ+/799pon+RbKUjHKh6kF5Fsv/uJ8lPDQ==
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

2026-09-17T12:06:31.552279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014675
observed fb64a7a62fba3d15197a11761c1af1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.534208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014675/manifest.json
observed 265158f07349addcd43fe621090ed50b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.516302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014675/publication.md
observed da4b7f568c1e1df78e38282df4281070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.499461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014675/publication.txt
observed f34c990d8f98f76ef895a18b404e4101...
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.