OpenTechnical

OT-2026-000060829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, vented after 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-2026-000060829) never changes.

Identity and time

Publication numberOT-2026-000060829 · never reused
Internal UUID01a0ae8a-b7d1-7f02-aada-273f440d221b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060829
StatusPUBLIC

Content hashes

Canonical text4e3c5d3c38c8f8fe073d40e38954c644c626ed9d2aed9049e9630b2983d86b36
Markdown59492fb1ffa9528421b011ccf856318c050ab2500e93486f7308580be46a5371
PDF
Publication pagedced1ffc63b7c0f22ef7b81c3063b41c010aeb7f59b56967cd5928a95bdd5cca
Manifest7b1bfd33128076762a566347473e4e3efff401c8b80f17c51b1b1aee45667e3f

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
Signature9PHnXh+f2ok4F6PeI4U7U3bavBElBvRQghoCrYfoXvGZ9ow23w+91m02ir4Nxc0id5ePfC2vIITq78GRdJ1nDQ==
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...

Independent retrieval

2026-09-17T10:43:34.928071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060829
observed dced1ffc63b7c0f22ef7b81c3063b41c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.910451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060829/manifest.json
observed 7b1bfd33128076762a566347473e4e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.893789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060829/publication.md
observed 59492fb1ffa9528421b011ccf856318c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.876678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060829/publication.txt
observed 4e3c5d3c38c8f8fe073d40e38954c644...
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.