OpenTechnical

OT-2026-000043688

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000043688) never changes.

Identity and time

Publication numberOT-2026-000043688 · never reused
Internal UUID01a0ae7b-92d0-7ff7-8630-717e2614ff1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043688
StatusPUBLIC

Content hashes

Canonical textd2c10502b3fe75b01c4daba5b1306641b5de76c7bc5da29f417d87d710394eab
Markdown718ea5ef3f4a055244b7dac89f36cf0d6b0a70edd3f73c866d18a76def428a41
PDF
Publication pagef3a037b44e7fd279e544bf86b5b4187d815b74c63779c3b0898d327f63904974
Manifest05f62b46f1a12497ba9dbf60c140c11624178091d6bb722d5526472ada32e7c7

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
SignaturexlhTrk7oRkS0nDkWmSiogCf9epKqY53zj8JrvDBSR3+DvQnkcTBy5L7EW/clyq5GG5GBuAX6cbJwsCq8gG5LBw==
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

2026-09-17T11:13:10.802874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043688
observed f3a037b44e7fd279e544bf86b5b4187d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.783562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043688/manifest.json
observed 05f62b46f1a12497ba9dbf60c140c116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.766347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043688/publication.md
observed 718ea5ef3f4a055244b7dac89f36cf0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.748500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043688/publication.txt
observed d2c10502b3fe75b01c4daba5b1306641...
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.