OpenTechnical

OT-2026-000098672

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000098672) never changes.

Identity and time

Publication numberOT-2026-000098672 · never reused
Internal UUID01a0aea2-42ad-7b64-bd90-a4bce3db56fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098672
StatusPUBLIC

Content hashes

Canonical text4dbedabceab7ae061540a7ddb8c918fb9bcbb0c4e54590fb24bd12bf10b0da40
Markdownbabf9e878495b25c94f5272804bda0fbd82f34a5c91f517271a65cdd07202c04
PDF
Publication pagea6b76ecfd9b66d7b506104cca954af20feeb1c6099b5b8b3feed3081ce99ad2c
Manifestb15188b2d2747330efd6dda19a582401368a397c07be16615229f83faad7e681

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
SignatureBC2rfr99L3Xx0pBTeAtDPpDipDCYtPp11m9e/JI63i/zWkXgq2tyNK7SxziBPi92HzxppZ8LC6b6DtO8T2hVBw==
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

2026-09-17T09:30:58.344958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098672
observed a6b76ecfd9b66d7b506104cca954af20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.328156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098672/manifest.json
observed b15188b2d2747330efd6dda19a582401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.312009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098672/publication.md
observed babf9e878495b25c94f5272804bda0fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.294249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098672/publication.txt
observed 4dbedabceab7ae061540a7ddb8c918fb...
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.