OpenTechnical

OT-2026-000072664

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented before set-down

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-2026-000072664) never changes.

Identity and time

Publication numberOT-2026-000072664 · never reused
Internal UUID01a0ae92-89d9-7016-9889-d58fd9269a30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072664
StatusPUBLIC

Content hashes

Canonical textdec54ce6327a02fbf1f857d9e14b8d3e8762a57b494e385687accc87467030b8
Markdown44112144c6e4e958e33bb4c80247a2e5d6cab71e04fd5a451935914adaaca471
PDF
Publication pagef84b4cdb76cac1c4cd070884a3e79fb84b70457aabc0b0e1b5233b6d0a0402de
Manifest08725a013d170fc2f10e0a6d8f829b2c141b154d14ea998f0927f06d77be1c49

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
Signature691nUt66DRfhrCfVGbHJHAiaGHEHLUVsP5zitPMTxG3mLYLDLsxnNzYhRryIp90fo8wDS8VyflsE5N3mKyPGBA==
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

2026-09-17T10:22:31.891126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072664
observed f84b4cdb76cac1c4cd070884a3e79fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.873753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072664/manifest.json
observed 08725a013d170fc2f10e0a6d8f829b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.855389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072664/publication.md
observed 44112144c6e4e958e33bb4c80247a2e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.838466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072664/publication.txt
observed dec54ce6327a02fbf1f857d9e14b8d3e...
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.