OpenTechnical

OT-2026-000075872

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000075872) never changes.

Identity and time

Publication numberOT-2026-000075872 · never reused
Internal UUID01a0ae94-29ff-717e-acdf-c3536cd1dcd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075872
StatusPUBLIC

Content hashes

Canonical texta51c0c84793e26741dac2dbebd1c2fc8390cccf85eeae3b1234b86a6004c1f46
Markdown59cce7026778ca001e056f8f37c7da23b485b12475ce6f7a3026e8ab84d89571
PDF
Publication page215478e6c1f29a830b003a42795c8ef8de13b73d8135e0a9877aeec8be66427a
Manifest7c190192c92ba32f4e99f381c40c7bd48630c073d902bfddb0a498b568f34f1c

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
Signature0w+UYOQKnL8Ps1iM8EPs5YRDYpHChYLBDcstKzlPCytisD75+AUr7uMyTFmbUdMqGiNvHphaQuB78fB3j0MBDQ==
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

2026-09-17T10:14:37.992606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075872
observed 215478e6c1f29a830b003a42795c8ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.971671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075872/manifest.json
observed 7c190192c92ba32f4e99f381c40c7bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.952069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075872/publication.md
observed 59cce7026778ca001e056f8f37c7da23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.809343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075872/publication.txt
observed a51c0c84793e26741dac2dbebd1c2fc8...
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.