OpenTechnical

OT-2026-000085660

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000085660) never changes.

Identity and time

Publication numberOT-2026-000085660 · never reused
Internal UUID01a0ae99-aaad-7b34-bacc-6a9d2f01f182 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085660
StatusPUBLIC

Content hashes

Canonical text74100deba72f7b9db3be6fedcdd86929c7ce3e1cd189bb33d4f50de9772fe14e
Markdown8e601872df3f19da65ac454795408c3cdfd73aa202b91a6dfd4e2ccfd6bf42c5
PDF
Publication page5ea977c22f2e5f607251d2c6edbebff7d1b7e96433fb6ac780e97976a3d7d154
Manifest4a8809aeffd33cd4fe92a65619de177a5771637a220895e23e324538dc2fcec8

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+eYhseuw8/wKGjli2zeobOYUf5VYkwD0ob1AC/ZaJ2CRCo4YVg73hJUemEAKO4WRQ1xNnqH338WU+TOBPjvDCw==
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

2026-09-17T09:54:33.103808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085660
observed 5ea977c22f2e5f607251d2c6edbebff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.085441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085660/manifest.json
observed 4a8809aeffd33cd4fe92a65619de177a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.069039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085660/publication.md
observed 8e601872df3f19da65ac454795408c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.049706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085660/publication.txt
observed 74100deba72f7b9db3be6fedcdd86929...
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.