OpenTechnical

OT-2026-000061937

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000061937) never changes.

Identity and time

Publication numberOT-2026-000061937 · never reused
Internal UUID01a0ae8b-b8ad-796b-b5a7-5c4f1a1cf7f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061937
StatusPUBLIC

Content hashes

Canonical text0edc4e790b1f326535298f2f5c40d84952ddec8951c0d29ab3b8b858a46fb4e7
Markdown1a9f669f043d83e23c1ab5780a1422fa299b5f4bec6214928a77483ab250fac8
PDF
Publication pagee23c8ffc0296294e4f5a5275c5163e9ad23c06d2a8b5dd25fc7edf85768dcbc3
Manifestfd99229e6893a4d83ab27ada99d761cde7492298dfcad3dd0aee803f9e6f6276

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
SignaturemF3Gqgzos1djh6Zn4gQfrJkbfrFaOCNJab+JyXQoiINuCZuf09fSSKRWxGV9uB1mtgHf5PTLtPRtDAFRZjQYDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:49.824919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061937
observed e23c8ffc0296294e4f5a5275c5163e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.803131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061937/manifest.json
observed fd99229e6893a4d83ab27ada99d761cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.780394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061937/publication.md
observed 1a9f669f043d83e23c1ab5780a1422fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.756687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061937/publication.txt
observed 0edc4e790b1f326535298f2f5c40d849...
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.