OpenTechnical

OT-2026-000055413

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000055413) never changes.

Identity and time

Publication numberOT-2026-000055413 · never reused
Internal UUID01a0ae86-a101-72e2-bc56-5c81aa2c2989 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055413
StatusPUBLIC

Content hashes

Canonical text996eb89046ea79735a73bf0b1c92c99189a061092178a59461a272a113f4d18e
Markdowna33c8f29237a8871a23a1cfe06213e369bf3f0d4bb9165dec3e8725493924729
PDF
Publication page22c51d1a29804fee81df88377684bfc6745184be4d19566092c767d474f0ab29
Manifesta5ecd83099b232ea870b54eebc4f67e0fc260899ce5369eb54e45c96ee1e7c85

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
Signaturex29eZTYrhW+4ne6rl5QePeJugtUM/EXrsUT8zg6/0yfgsBOxdg93ZxE2WaFdAIQiridrujm8oFHir7CkWZP+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:03.421642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055413
observed 22c51d1a29804fee81df88377684bfc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:03.404404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055413/manifest.json
observed a5ecd83099b232ea870b54eebc4f67e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:03.387862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055413/publication.md
observed a33c8f29237a8871a23a1cfe06213e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:03.368981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055413/publication.txt
observed 996eb89046ea79735a73bf0b1c92c991...
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.