OpenTechnical

OT-2026-000017608

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000017608) never changes.

Identity and time

Publication numberOT-2026-000017608 · never reused
Internal UUID01a0ae6e-96f9-7d90-8e26-dfacdb12b32a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017608
StatusPUBLIC

Content hashes

Canonical texteafa79fd9cb251eb546a4f750005289248277e4c92683a9341b0abb33a71358d
Markdown9e4e4ca260ef05745110eb59e3c9e44867b240eed26cb9d7f2f799031c8e6da1
PDF
Publication page6f0b931e22c0cd9356b710b7e92b9497a4405a8167c32d71b78ed0537e638bd7
Manifest4cb9e2fc96c112ce826d658288c311c52d53388cc5cebad9e7616de22c5918fd

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
Signature1yl5vJoTSAs4Dga+d/Uf/uMaVURgLVSq/rs9uEAKNPCvksPlGbLs50yswQdzQABRy8n4uK+iD0kM41XwnwUxBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:24.872879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017608
observed 6f0b931e22c0cd9356b710b7e92b9497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.856165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017608/manifest.json
observed 4cb9e2fc96c112ce826d658288c311c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.837769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017608/publication.md
observed 9e4e4ca260ef05745110eb59e3c9e448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.820328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017608/publication.txt
observed eafa79fd9cb251eb546a4f7500052892...
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.