OpenTechnical

OT-2026-000018829

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000018829) never changes.

Identity and time

Publication numberOT-2026-000018829 · never reused
Internal UUID01a0ae6e-d521-7b6e-ac5f-055d7df55ec1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018829
StatusPUBLIC

Content hashes

Canonical textd8a06244ab870a9e3e725f190cb2f26e78ea5f427ba736a8d54f0cf48e548add
Markdown62af30447f0c2157b461a835dc7ff36508d99c571dab05c7b7ef9553862580ea
PDF
Publication page54b92f7b86ce35c9d347ef2895ff61e15645acbd47633c326318a2a1dc970d49
Manifestcf277eeab3ae41cf446da0242b26b17ee3a3840195a017deafed20f87c5b845f

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
SignatureRFSmcG2A1m9x75hzV/aNKibOH+FvKNWnfjemgrFnlfCMvO5JcU8hBCO0ef9LMRuDeZC5922H/RqgAESry5BSDQ==
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

2026-09-17T11:59:27.843066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018829
observed 54b92f7b86ce35c9d347ef2895ff61e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.825750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018829/manifest.json
observed cf277eeab3ae41cf446da0242b26b17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.808763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018829/publication.md
observed 62af30447f0c2157b461a835dc7ff365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.791965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018829/publication.txt
observed d8a06244ab870a9e3e725f190cb2f26e...
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.