OpenTechnical

OT-2026-000031382

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000031382) never changes.

Identity and time

Publication numberOT-2026-000031382 · never reused
Internal UUID01a0ae74-87ad-7810-b188-c37d58d685c3 · 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-2026-000031382
StatusPUBLIC

Content hashes

Canonical text67470a1369a2069ac8df93ca465c7393af0901218e3b76de7b65fcf336eef688
Markdowne5d16b330b1af6dbce67057998fa7ad637b2648985688f1efe107eeed601d4a6
PDF
Publication pageaae13b463b8a1d0582853391373d772f52d9484d55cfacceddbc6e10a77f0735
Manifested395118afe18d91efe9c6657dc562843fe15ebd4935b373ad63447e6df4f4f4

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
Signaturef2u6zRtPGiHAMcoTAK3EIJt0+nQ6EBTqVdKSL2OFu0fFIkOqB4NuC2EQpNzpuexCFoqSg7ZgoMyBnR6ULca3Dg==
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

2026-09-17T11:36:05.382503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031382
observed aae13b463b8a1d0582853391373d772f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.365182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031382/manifest.json
observed ed395118afe18d91efe9c6657dc56284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.343541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031382/publication.md
observed e5d16b330b1af6dbce67057998fa7ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.324342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031382/publication.txt
observed 67470a1369a2069ac8df93ca465c7393...
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.