OpenTechnical

OT-2026-000037323

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000037323) never changes.

Identity and time

Publication numberOT-2026-000037323 · never reused
Internal UUID01a0ae77-b8cd-7bb0-a894-fd782fd1e77c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037323
StatusPUBLIC

Content hashes

Canonical text3241932cbd347a47c38fc00eba4583845d7668f3e8288dcc22fdab944cde2ca6
Markdown841baf9d094dffaff25253c28bb4275af162f3170e5f9a43bb94cf32b67b638e
PDF
Publication page2b14957842eaa3d2846aef7d0c4228895d1d6d8a094ddf16ecf904d5157e4d17
Manifest4a366bc29fa3ca229e18e7b96c4195576c13fb2870375f4024058d27c7b772b0

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
SignaturecvbinlgxEceBeuo73sp9JWLDY+Ani7vWrBTBb/IVzYH1JiHKci0gZYCwzqb5G1zVkn/ZxOSV9D4iQIAewi1pAA==
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

2026-09-17T11:23:43.512992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037323
observed 2b14957842eaa3d2846aef7d0c422889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:43.496010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037323/manifest.json
observed 4a366bc29fa3ca229e18e7b96c419557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:43.475542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037323/publication.md
observed 841baf9d094dffaff25253c28bb4275a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:43.456884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037323/publication.txt
observed 3241932cbd347a47c38fc00eba458384...
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.