OpenTechnical

OT-2026-000064129

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000064129) never changes.

Identity and time

Publication numberOT-2026-000064129 · never reused
Internal UUID01a0ae8d-a45f-7e28-b851-b5fb50a17abc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064129
StatusPUBLIC

Content hashes

Canonical textecc6dc9046b2d9b0f76b80f1d433fb2743b77f0be9324755b63916971e3404c2
Markdowna865a16793a81b48b709c4c910120f72554b60b110c9f52adf8fe56b06f7d971
PDF
Publication page33bc6ad8210311f1485ab1e67a26cb79148c3a200cf39ff9ca31da60bcae5889
Manifestd08c45c7b14effc8c1a56c68172a849402ca0681ba921b5511e57f5e3737d634

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
Signatureiry0MNBsDyzdXJqtFOkbZVz3Qx0X3/vqLHnrEbP89qGNOkK1S5ZZ6LXCPFLi0s1N4t7EbH9iSODbkUlvtVO4Cg==
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

2026-09-17T10:36:07.705120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064129
observed 33bc6ad8210311f1485ab1e67a26cb79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.689173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064129/manifest.json
observed d08c45c7b14effc8c1a56c68172a8494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.672727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064129/publication.md
observed a865a16793a81b48b709c4c910120f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.656227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064129/publication.txt
observed ecc6dc9046b2d9b0f76b80f1d433fb27...
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.