OpenTechnical

OT-2026-000101691

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000101691) never changes.

Identity and time

Publication numberOT-2026-000101691 · never reused
Internal UUID01a0aea4-0e16-71df-a83f-09302114851c · 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-2026-000101691
StatusPUBLIC

Content hashes

Canonical text2ce4ad6d571fb936e0c55d9a5895872b860d3324847afd625615674ba514b010
Markdownf576137222ef9c9ac0db6ae667b738275babf78475c8c55998f5099ae20601c9
PDF
Publication page72ea9f8e7ad9df90b15c5e6acc306639410db49a658c31577fed2805471d4f71
Manifestb35477242e88871f912e8b2bc6e1676343b8fa0e342ad4e1f221a3fe0647c64a

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
SignaturexBFK+BIt6mSTZAqMyaia0LJI65v8I5Za4S1wT30T5Zekd1XBcE3Qxe+0Hex4EVn+MUM3msYzahVGGculrce3AQ==
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

2026-09-17T09:25:40.745047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101691
observed 72ea9f8e7ad9df90b15c5e6acc306639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.726755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101691/manifest.json
observed b35477242e88871f912e8b2bc6e16763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.709507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101691/publication.md
observed f576137222ef9c9ac0db6ae667b73827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.691450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101691/publication.txt
observed 2ce4ad6d571fb936e0c55d9a5895872b...
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.