OpenTechnical

OT-2026-000056394

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000056394) never changes.

Identity and time

Publication numberOT-2026-000056394 · never reused
Internal UUID01a0ae87-4bd2-7666-bc4e-5648479d5450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056394
StatusPUBLIC

Content hashes

Canonical textc0971ec8ef65de4ef49c884037d48f77e1dc67ec14464992b8563e376e569abd
Markdownafe2f42ac053ae2c6d1a89049d875fb1eb6a4ee7334165d8eee8c98de43d3616
PDF
Publication page6e0f21ceaf20b9ec97021b18e002df257431e4f6eb6c5abbef04fdfcacae3ae8
Manifest660e1d37fde67921ec5fe5291988ddae865215e22172d7b934d0bbf53f2711e2

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
SignatureZlTyNtPW1Rv10991MjeBHvbo2TvG+dXcYxZu4q9XavWG+n6vSEITTzDIV6fR7OT3jY1AYGxjBC+WrWSnboh+AA==
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

2026-09-17T10:50:55.211084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056394
observed 6e0f21ceaf20b9ec97021b18e002df25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.192809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056394/manifest.json
observed 660e1d37fde67921ec5fe5291988ddae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.174466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056394/publication.md
observed afe2f42ac053ae2c6d1a89049d875fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.157236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056394/publication.txt
observed c0971ec8ef65de4ef49c884037d48f77...
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.