OpenTechnical

OT-2026-000031264

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off 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-2026-000031264) never changes.

Identity and time

Publication numberOT-2026-000031264 · never reused
Internal UUID01a0ae74-87ac-7cb1-b6fa-45d75841bb82 · 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-2026-000031264
StatusPUBLIC

Content hashes

Canonical text893145d6b2dfff32a58c81fe4a7d622844a53ecf7a1202e0726dc47637082f00
Markdown884f2af2710bdc40f5926009f746bcecaa75eae89b0344a37cb65a68b15af2dc
PDF
Publication page914eab2da675f7f6a42dada5f74329bcb5149f6d607e54292903d0d519836976
Manifest341528c0df701f442af4b01a9683f25a515db296b030a51340719b6b8f9989d8

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
Signature4pn7MP3DQgNJTBTG9bLFytjwp2sp4p/ZS399HfIIGXnQHPV2X2o7ujBZ7klMNxFBMqjzJOh3vbHVvnkPnSP7DQ==
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

2026-09-17T11:35:50.561030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031264
observed 914eab2da675f7f6a42dada5f74329bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:50.542245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031264/manifest.json
observed 341528c0df701f442af4b01a9683f25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:50.523197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031264/publication.md
observed 884f2af2710bdc40f5926009f746bcec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:50.503602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031264/publication.txt
observed 893145d6b2dfff32a58c81fe4a7d6228...
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.