OpenTechnical

OT-2026-000088214

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000088214) never changes.

Identity and time

Publication numberOT-2026-000088214 · never reused
Internal UUID01a0ae9b-1aa8-73f6-99a2-33534bbb83b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088214
StatusPUBLIC

Content hashes

Canonical textef32ae6aaf8dfb2d0d114e77a21dceb2b017120ea71b795f615a5351cc9849fd
Markdown6f94fce0ade6a438ebc8ad9c245e5b4570fa85853f2200f83aaa2a0012dab161
PDF
Publication page629bd8b523a9fbc9471f7f2e6266977707efc801e67e21dfce3b6f6e4e0dbb96
Manifest82737fa3e257c505c8693482dd8d36451af936351a93444f6d65d5588bf681be

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
SignaturearOZV09TCLwgA1WHftc0qln3GWJUiD2h5H0km0M8QqKXkAnhtQzIHuG3zp85Z6J+lMVp4hMZlMKS1s+ScEQmCw==
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

2026-09-17T09:50:17.725909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088214
observed 629bd8b523a9fbc9471f7f2e62669777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.709228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088214/manifest.json
observed 82737fa3e257c505c8693482dd8d3645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.689214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088214/publication.md
observed 6f94fce0ade6a438ebc8ad9c245e5b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.669653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088214/publication.txt
observed ef32ae6aaf8dfb2d0d114e77a21dceb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.117289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088214
observed 629bd8b523a9fbc9471f7f2e62669777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.087694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088214/manifest.json
observed 82737fa3e257c505c8693482dd8d3645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.066049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088214/publication.md
observed 6f94fce0ade6a438ebc8ad9c245e5b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.040886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088214/publication.txt
observed ef32ae6aaf8dfb2d0d114e77a21dceb2...
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.