OpenTechnical

OT-2026-000044494

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000044494) never changes.

Identity and time

Publication numberOT-2026-000044494 · never reused
Internal UUID01a0ae7c-39d8-7ebd-b958-74c042c8ec60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044494
StatusPUBLIC

Content hashes

Canonical text36735a823228b029612482e48fc8388bb34210c021708e192a928b4a74fba0d9
Markdownfac72a51dab893d06549ab1c5e58326a48770b9d4258cb8b9aec62f89755b375
PDF
Publication pagec6f2b9ee8b9448a27ee86dd0cd97e716217224ec57fb79e83823d9ec6d7d5131
Manifest3fb14c7ab7530f2c03b0507f0d8581957f3735991c5ef93580e790ac6a696669

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
Signaturei6QrRtgU0BzLY6OTzz4tqebYZPpmiuA3a+dpn+72uG+HvxAY04SVdM71ShqsXAJrw5mBWtqhRamqPsFK4tErBw==
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

2026-09-17T08:30:57.734504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044494
observed c6f2b9ee8b9448a27ee86dd0cd97e716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:57.716168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044494/manifest.json
observed 3fb14c7ab7530f2c03b0507f0d858195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:57.574987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044494/publication.md
observed fac72a51dab893d06549ab1c5e58326a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:57.554884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044494/publication.txt
observed 36735a823228b029612482e48fc8388b...
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.