OpenTechnical

OT-2026-000029957

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000029957) never changes.

Identity and time

Publication numberOT-2026-000029957 · never reused
Internal UUID01a0ae73-ac48-7ac0-919a-056247ec2638 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029957
StatusPUBLIC

Content hashes

Canonical text5dbb06013d51236b7db143b7d05288a6154d1acd44ad230404a2c9f96982ab1e
Markdown1e011b78e499b8e949d78428edd8fdbfcd4707cebec8f03c5028bd439e8385e4
PDF
Publication pagefbc73b06ed7b1f44e570bab5d21837dd8d88ac3008ece82371ab5a7648de41b3
Manifest73525443fbfed329ba00514bcbf107d83c00d749e4bd97c6c3d055e5ccb93753

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
Signaturegw8nmwFKjQFIHPa7qmKweQA+vRKk4pFk0D2VzO0DT1SASPxdews1E6Swa06SkTE8fczvc+Xd7KOEgWin9wNeCA==
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

2026-09-17T11:38:40.362774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029957
observed fbc73b06ed7b1f44e570bab5d21837dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.343678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029957/manifest.json
observed 73525443fbfed329ba00514bcbf107d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.326535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029957/publication.md
observed 1e011b78e499b8e949d78428edd8fdbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.306031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029957/publication.txt
observed 5dbb06013d51236b7db143b7d05288a6...
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.