OpenTechnical

OT-2026-000070306

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000070306) never changes.

Identity and time

Publication numberOT-2026-000070306 · never reused
Internal UUID01a0ae91-545e-7aa7-9020-d8a7ec663d71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070306
StatusPUBLIC

Content hashes

Canonical text7e3fa65fa06834206c8f129265318e6aa85c7448c3f87b84b9c640ce2ca91ffc
Markdown44abdb9909cc8d5d542e3e232eae888d28af4894d22a0ff3c19307a4de74a199
PDF
Publication pageb970dfaaf37d9f30b2b1f7e6612358e380e3bf678b0430bf6d57f6d43edff5f5
Manifest6ec9237db98c2d71659acf1c7fa0b94784a80933be0cba2c629d5e4bddd4062b

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
Signature7eRemVuBZfzHDbBXUxgTCCQ2tJin6ACaN5rFWqqvaE2KGertEgWF7LYrs8qtVK6qzgc3LnD7KAy/iM7UtMeLCQ==
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

2026-09-17T10:26:05.585966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070306
observed b970dfaaf37d9f30b2b1f7e6612358e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.570466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070306/manifest.json
observed 6ec9237db98c2d71659acf1c7fa0b947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.554352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070306/publication.md
observed 44abdb9909cc8d5d542e3e232eae888d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.538356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070306/publication.txt
observed 7e3fa65fa06834206c8f129265318e6a...
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.