OpenTechnical

OT-2026-000072409

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000072409) never changes.

Identity and time

Publication numberOT-2026-000072409 · never reused
Internal UUID01a0ae92-89d7-7d25-8376-d987aee16cb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072409
StatusPUBLIC

Content hashes

Canonical text82301c98ce6fac1ba439279cd3f98770dcba71ff2648efa7b2ee57d978a9e7a3
Markdowncf5523e9e422d1a8c747a1d87763a670e44f005451d79f4036d402a9577044a5
PDF
Publication pageaa7febbf61b8b61cd1f21d5ad4578bdc90b1090bbc30c7e307e517dee295f895
Manifesta9b2832c8d38fb673e743fdb3e88b0bbb6124c1a4f43f8259957e88b350c5e6e

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
Signature4fn3tfZ/D+2qcIwng56g4o39zLtxnkprz3GcWDnB+og4tJuwieNt218Qr2LAtPJjzEo3sIULJxqXjg9DohX8BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:13.395105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072409
observed aa7febbf61b8b61cd1f21d5ad4578bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.377354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072409/manifest.json
observed a9b2832c8d38fb673e743fdb3e88b0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.358329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072409/publication.md
observed cf5523e9e422d1a8c747a1d87763a670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.340926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072409/publication.txt
observed 82301c98ce6fac1ba439279cd3f98770...
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.