OpenTechnical

OT-2026-000070307

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000070307) never changes.

Identity and time

Publication numberOT-2026-000070307 · never reused
Internal UUID01a0ae91-545e-77ed-8f0b-522ec5bcc992 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070307
StatusPUBLIC

Content hashes

Canonical textc5aa5bc49fd84c6afacd27760b484506003341fcc2dff1a2c921b46b8dcb25b1
Markdownc4feb0915e3cf3221ddeebe94de6f7d9a6ab82e78e367942fa5c7ca4b2959402
PDF
Publication page668f73427880b6f753f9dec6406f1db8d9665fdcabf16822f705058663a6b011
Manifestf2de0dca79286feac9187fe84eedd7c987b93a7fef41d9a91ed8b9ea78b2f940

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
Signature/kO98R5TjSxPJZynvRhpecsy+sTNjmDyV5McX9GmeTl1FD0lSmcw2G1xKT1pLJrrdnkb40NemSob59CVSurlDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:05.704094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070307
observed 668f73427880b6f753f9dec6406f1db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.686478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070307/manifest.json
observed f2de0dca79286feac9187fe84eedd7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.645418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070307/publication.md
observed c4feb0915e3cf3221ddeebe94de6f7d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.602201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070307/publication.txt
observed c5aa5bc49fd84c6afacd27760b484506...
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.