OpenTechnical

OT-2026-000084037

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000084037) never changes.

Identity and time

Publication numberOT-2026-000084037 · never reused
Internal UUID01a0ae98-5b5e-74be-b6e0-b072a28fb546 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084037
StatusPUBLIC

Content hashes

Canonical textb30ac5134abe2d5b9a3c388be970a4de85b5b36694736973e3fbe0494bb864d5
Markdownaf66836dfa5b6a2e75c7065b0c6434b084b5af0321adab533c069765ab59b700
PDF
Publication page2ad5519f672b42f607c29b3690fd70465be92b416a53d7829121aac7b8fe70e0
Manifest47da2bc40d25bc038b6689e046568bd4f1b3e9d8be6986f2231780b933cf34b2

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
SignatureRy95JlDESKnbOq30jus9y2x0W+iQACrnfDY4DDGvcLd8+xn5DPk+plhxEvxTiaJGlCLZrysAo4z74mdp0FuqAA==
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

2026-09-17T09:55:45.970023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084037
observed 2ad5519f672b42f607c29b3690fd7046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.950736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084037/manifest.json
observed 47da2bc40d25bc038b6689e046568bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.933782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084037/publication.md
observed af66836dfa5b6a2e75c7065b0c6434b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.916845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084037/publication.txt
observed b30ac5134abe2d5b9a3c388be970a4de...
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.