OpenTechnical

OT-2026-000072564

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000072564) never changes.

Identity and time

Publication numberOT-2026-000072564 · never reused
Internal UUID01a0ae92-89d8-7722-b7cf-ddb81fdc9660 · 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-2026-000072564
StatusPUBLIC

Content hashes

Canonical textf2c6d054527dff3b76e4cde666390aa9a28c25103296bb996dc5be5d13864a41
Markdown16129757701382a2c9d6f7ccb13c4545b543fe0f9aefb6261d20d6a21c6323ef
PDF
Publication page8152d689a1fe8da41abf76085e56787aac761bfd94953ef90a6297be940fd81c
Manifest5f7391006aded9ec0cad744bfb3ec27fc22ae1071e6e706abe03dd18566083fc

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
SignatureKiCdU2do4hys3BlFjDCTToSxX9TMsCerW+BMhmq3PxycNoB/Ze9UHvAqKGQDP5MyGWNdFDrKN46ixNjKGzH0AA==
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

2026-09-17T10:22:24.096920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072564
observed 8152d689a1fe8da41abf76085e56787a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.076888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072564/manifest.json
observed 5f7391006aded9ec0cad744bfb3ec27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.059300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072564/publication.md
observed 16129757701382a2c9d6f7ccb13c4545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.040326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072564/publication.txt
observed f2c6d054527dff3b76e4cde666390aa9...
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.