OpenTechnical

OT-2026-000031330

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000031330) never changes.

Identity and time

Publication numberOT-2026-000031330 · never reused
Internal UUID01a0ae74-87ac-770b-abea-14c8bce67ca0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031330
StatusPUBLIC

Content hashes

Canonical text67106db18122ea54aeff2d1723f90a1855edf58046249238eba3c87f2963b9bc
Markdown4ee4f602eaecb6c8dd94080161218b73db4d73a4d005924a900c02193f5620d1
PDF
Publication pagefc4ab5d99c80da685a7cb5e340f4bb6f2f7028aaeda7b1ff6f574783800c8206
Manifestd52d25f2b2d585cabe93468d72fdf17516901cb3bd77d33808984be79cca5ec4

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
Signaturey3DcodpyaZOmreJtzjNuhFGB37CVM1tl7THtdxb4bqqpa8qpEnNinNmaFOFxfrdDl5j39IMOzQvYzXvsxSa4Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:01.378889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031330
observed fc4ab5d99c80da685a7cb5e340f4bb6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.360702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031330/manifest.json
observed d52d25f2b2d585cabe93468d72fdf175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.344273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031330/publication.md
observed 4ee4f602eaecb6c8dd94080161218b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.324119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031330/publication.txt
observed 67106db18122ea54aeff2d1723f90a18...
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.