OpenTechnical

OT-2026-000076507

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000076507) never changes.

Identity and time

Publication numberOT-2026-000076507 · never reused
Internal UUID01a0ae94-6a71-7fc4-b765-28f4364ad659 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076507
StatusPUBLIC

Content hashes

Canonical text9b770e2d3dad9d211c6b4d2c3ddbb540dffa5fad5c325c1fb556ba004b078d95
Markdownd5f905dbade8200d98f7a7f7efb1e9b609ab84797e8822ee96c12d75bcec99a9
PDF
Publication page265ff7eec35861745ece3af122a0934eaf943d1864abb736b8308f76a6595203
Manifestf21cf6238e47c04acf62327dc103c35446df3f104596067669d8de6aae798972

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
Signaturei9Au+jlrnQp3+ftcf1egvsLXJyh2ctvBTLJMhjbqoRp3oGEzsFndfGJp9XcG5KzyQ5oLhH80+CHbGkqCKEOACQ==
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

2026-09-17T10:12:47.815895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076507
observed 265ff7eec35861745ece3af122a0934e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.798606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076507/manifest.json
observed f21cf6238e47c04acf62327dc103c354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.779402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076507/publication.md
observed d5f905dbade8200d98f7a7f7efb1e9b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.760525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076507/publication.txt
observed 9b770e2d3dad9d211c6b4d2c3ddbb540...
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.