OpenTechnical

OT-2026-000036567

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000036567) never changes.

Identity and time

Publication numberOT-2026-000036567 · never reused
Internal UUID01a0ae77-46e7-794b-afdc-a46ccc0b22a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036567
StatusPUBLIC

Content hashes

Canonical textf47ca4202ff14fad1b0300812e70c03ecaa8366ed5595fe33c3dd30f1445b0a4
Markdown841856ea19b880dda4c914fb20ce4014d74363ce746a0efa74c32756078161a7
PDF
Publication pagef9b793b8b4cacbef658af445457e0c94d520804ca3b1af0c945fc913d2a3a468
Manifeste978f86c9380b018d0dbfe3b5900aa75d70f8b0c3b6203a8acb07d229f06c440

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
SignatureX4FjMcu0vkM24c2Pv3+Nj5bsANS3phAvZNthcZw/7B8Qcr314BTsIoQIGrPVkSxgVoGvmSWLdIEebrZi6ETJAg==
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

2026-09-17T11:25:47.264261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036567
observed f9b793b8b4cacbef658af445457e0c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:47.246122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036567/manifest.json
observed e978f86c9380b018d0dbfe3b5900aa75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:47.227519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036567/publication.md
observed 841856ea19b880dda4c914fb20ce4014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:47.209653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036567/publication.txt
observed f47ca4202ff14fad1b0300812e70c03e...
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.