OpenTechnical

OT-2026-000069875

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000069875) never changes.

Identity and time

Publication numberOT-2026-000069875 · never reused
Internal UUID01a0ae91-1860-744d-a7d4-8ae94e17b258 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069875
StatusPUBLIC

Content hashes

Canonical text4f09b002377961d4021291d3e5b69e304b4c2c35c1cae94e389800b1bcb03ac4
Markdownb700aaefac0838f2e38398812c6ade0b53d23eb5b1ed4cb8b85af460f2aca238
PDF
Publication pagebda5e5e0f73f59444b113d3afe4eec17d0c6b60ee20cde756d986289666b6c76
Manifest67db424ab15266b6169c1594419f6582605069796e49b93fed51acfedef5c07e

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
SignatureEqMFdUbGSd9gytYe2mlY/S1IOXTRTEOD3R4nYTFPBncyd87OdCwopEMy2y8D5gU42m8p9sQY29rqBYjF6f1GDA==
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

2026-09-17T10:26:42.293554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069875
observed bda5e5e0f73f59444b113d3afe4eec17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.276848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069875/manifest.json
observed 67db424ab15266b6169c1594419f6582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.259043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069875/publication.md
observed b700aaefac0838f2e38398812c6ade0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.243000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069875/publication.txt
observed 4f09b002377961d4021291d3e5b69e30...
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.