OpenTechnical

OT-2026-000062310

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000062310) never changes.

Identity and time

Publication numberOT-2026-000062310 · never reused
Internal UUID01a0ae8c-0abe-73fa-88a7-e892c3eede8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062310
StatusPUBLIC

Content hashes

Canonical text40267f9310f535221a65b39242ee9f5522a9a1726d0d50617ea2b863f25d4d29
Markdown6b18d37cfceffae8db8af38c5e97388388045e76a15946bbfd18a63d3d72ad4c
PDF
Publication page77321f19065aac877ba553766f6f034ffa077afab9027111da5bf3da498e5532
Manifest3b5751a705411e5f1fbd76c1e6268a045424aa7eac5203b05127c17bd446c6d9

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
Signature3uLfNNXWx4fb+uL3Iu8oU2OGddNrjQs/UXP8uvr3tdYWpCNTRzIZ/PLSGKEr2G0Cwjz53UR87PoObBbAjr7kDQ==
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

2026-09-17T10:39:36.632887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062310
observed 77321f19065aac877ba553766f6f034f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.616233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062310/manifest.json
observed 3b5751a705411e5f1fbd76c1e6268a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.598167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062310/publication.md
observed 6b18d37cfceffae8db8af38c5e973883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.579801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062310/publication.txt
observed 40267f9310f535221a65b39242ee9f55...
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.