OpenTechnical

OT-2026-000059319

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000059319) never changes.

Identity and time

Publication numberOT-2026-000059319 · never reused
Internal UUID01a0ae89-8614-72ab-8eef-a3a77c041074 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059319
StatusPUBLIC

Content hashes

Canonical texta0467c72e7fbac2c2647f63fa25dec48e5fa43542d9aeddd1f09110c09dc5388
Markdownd075576950819b6e17a010f63b3d69ed487bec7a834308ebf830b7f46e2c40c5
PDF
Publication pageea305ed0936b1b8ee7a5bb4e8ea3f52d7e650b1ddf656fb716fb762f3971f41b
Manifest3c82b1aba320914ebf84ebda727ffcd534da64bbe56d059124a1aafbc213f22c

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
SignatureD5hc9/pSl2Kb/ippcHxUW4bE+dLYRRyqKuAEtMmYUhRHKzAXomy7aozFr5q+e/11FojQWjjPBT3NI5HIyehPAQ==
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

2026-09-17T10:45:58.470858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059319
observed ea305ed0936b1b8ee7a5bb4e8ea3f52d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.454344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059319/manifest.json
observed 3c82b1aba320914ebf84ebda727ffcd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.438303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059319/publication.md
observed d075576950819b6e17a010f63b3d69ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.422335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059319/publication.txt
observed a0467c72e7fbac2c2647f63fa25dec48...
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.