OpenTechnical

OT-2026-000087716

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087716) never changes.

Identity and time

Publication numberOT-2026-000087716 · never reused
Internal UUID01a0ae9a-cd55-7a35-bb73-4dd2acc90ab2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087716
StatusPUBLIC

Content hashes

Canonical text251b22943280cea68625804146e69f84153a2ed5890ea670beeab5780cfd41c9
Markdownb3aba370f55c04f119745eccc9aed196faeb7a7284526202d64f55f334ada65c
PDF
Publication page6389ad16233e90163516048956f3bf3351d0da7bda279d05615106a83a8a258f
Manifest94843f0a4506c8d254d11d6f80523e8b8249e7c2a370c33c576ef4b5b0e6c256

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
SignatureVocKM2/7vdrbRndbKaS+9oDjD3RwQEgBH0FIWqmPqBQ8rVyyCK5xbD9hNXrxJ3J9AGJkqs0RPOLUm5QPx8plCQ==
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

2026-09-17T09:51:10.116952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087716
observed 6389ad16233e90163516048956f3bf33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:10.102211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087716/manifest.json
observed 94843f0a4506c8d254d11d6f80523e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:10.085421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087716/publication.md
observed b3aba370f55c04f119745eccc9aed196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:10.069389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087716/publication.txt
observed 251b22943280cea68625804146e69f84...
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.