OpenTechnical

OT-2026-000101661

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000101661) never changes.

Identity and time

Publication numberOT-2026-000101661 · never reused
Internal UUID01a0aea4-0e16-74e1-85f0-797bb9ebf77a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101661
StatusPUBLIC

Content hashes

Canonical texta355aaca522330c4b580d639a1b77c1dbf461e00f3c0046f336b16c269986e6f
Markdown0eeb7317f45b565fb50bcb48797d0b0bcedcbbfb8c6d56ca15a9582742171486
PDF
Publication pagefdad13a1ca548a52fcf33b342a96ed84cd6533fb09a26f03f7ecc2a5d0c00db2
Manifest8847da53c95a52d292e0eb54e08bbc1764c433c8ad709538d35b0582a184380d

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
SignaturenjK8bWTBiwnRuRIzrTp2LSh7U14K4Y69sIUYzvnBSmOaEjUTpj6ghzd3y/pxpl66buZZHnGEhx1Omh4AQAbQAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:53.821860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101661
observed fdad13a1ca548a52fcf33b342a96ed84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:53.803061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101661/manifest.json
observed 8847da53c95a52d292e0eb54e08bbc17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:53.785408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101661/publication.md
observed 0eeb7317f45b565fb50bcb48797d0b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:53.766378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101661/publication.txt
observed a355aaca522330c4b580d639a1b77c1d...
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.