OpenTechnical

OT-2026-000076463

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000076463) never changes.

Identity and time

Publication numberOT-2026-000076463 · never reused
Internal UUID01a0ae94-6a71-7979-8cb7-d5bc3ea969c6 · 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-2026-000076463
StatusPUBLIC

Content hashes

Canonical texte97ab01cbaf63d15f6dd9bae736761301df9a7febddf22fc075fce0461439466
Markdown113b3f797f965126a11f70fbcf224e896258cc027844cae7264864c068e7b7cf
PDF
Publication pagee329cd29a63b32a673019b0b98f27f8386afcb0b855e5f080bd4e51e3dbb38c1
Manifest21ad439170fe13008e117d88759dd8d977fa9679992bcf2cdb4c740b4c0166dc

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
SignatureDDjzBK4/nS/WzhYIaVTIrnZ7Cvm03XzaBe5+pg6BsmBmwhG7IHMH3aJBUlNmQjh5lyQYBU3fhfeZzBIV9axOAA==
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

2026-09-17T10:12:37.556572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076463
observed e329cd29a63b32a673019b0b98f27f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:37.538538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076463/manifest.json
observed 21ad439170fe13008e117d88759dd8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:37.518820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076463/publication.md
observed 113b3f797f965126a11f70fbcf224e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:37.498584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076463/publication.txt
observed e97ab01cbaf63d15f6dd9bae73676130...
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.