OpenTechnical

OT-2026-000026738

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000026738) never changes.

Identity and time

Publication numberOT-2026-000026738 · never reused
Internal UUID01a0ae71-f4ab-7815-aeb5-29d372b21db7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026738
StatusPUBLIC

Content hashes

Canonical textb11ceb88b07dbd336541dc02153a9ba9fdcbb24a230b292bf49ed54390262f4a
Markdown1d1508f5887b49e56ee8e78d7f542fb533729da2fc87e90ad687758fb9ce9499
PDF
Publication pagef6eecf94929962cad5295f4f6a4cc4d58015eba17fd3257464cfc969d91711f1
Manifest8fcbf390ab62374f9a8906bd9968a8e87099947b4a7bafbc55a9dc51a1777098

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
Signatures6lqg3Ch6z2PoP1I2krEcgmpsqRvybNSGR4gL3M36VgnI4c8crCtwdzQ/wlp5RB3dYmiLLC8fGokL1Gtl/qDCA==
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

2026-09-17T11:45:55.363948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026738
observed f6eecf94929962cad5295f4f6a4cc4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.345126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026738/manifest.json
observed 8fcbf390ab62374f9a8906bd9968a8e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.326441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026738/publication.md
observed 1d1508f5887b49e56ee8e78d7f542fb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.306518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026738/publication.txt
observed b11ceb88b07dbd336541dc02153a9ba9...
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.