OpenTechnical

OT-2026-000056914

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000056914) never changes.

Identity and time

Publication numberOT-2026-000056914 · never reused
Internal UUID01a0ae87-7af9-7ed7-99fc-a69321a05f11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056914
StatusPUBLIC

Content hashes

Canonical text97e73dcedad4fd5c95bdf90bddfcd772754bb215983657ca0a17c1351851bd72
Markdown75736ebf15dcd75c3584c120df5b37b020c455f55e473bc3f3cf5a1f3ef57b58
PDF
Publication pagec77aa30e57b09c64bcd046b36e9f4e5dd761236a5df9fbe52ef9fed521c64c61
Manifest2832d53d05a790073d3aafe7cff4009db28f0f25ff0759f5542224de6aab2626

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
SignatureE7Jl9ABOFJztVJ/6DMrS+d3A3u4CKAr44xEnrv9Z1IIlLtKif6Z5aCFC1+aw7eivBdBFh8UsmobsIIHQ8k71Bw==
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

2026-09-17T10:50:27.455302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056914
observed c77aa30e57b09c64bcd046b36e9f4e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.435959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056914/manifest.json
observed 2832d53d05a790073d3aafe7cff4009d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.416860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056914/publication.md
observed 75736ebf15dcd75c3584c120df5b37b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.396903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056914/publication.txt
observed 97e73dcedad4fd5c95bdf90bddfcd772...
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.