OpenTechnical

OT-2026-000067065

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000067065) never changes.

Identity and time

Publication numberOT-2026-000067065 · never reused
Internal UUID01a0ae8f-14fe-7990-b9ff-bacbd8a3fdae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067065
StatusPUBLIC

Content hashes

Canonical text246b4feb735c3dc394d98ee5468888c179503a4c7fcd72442fed5d865630425c
Markdownafb6b03cc6775d26451d91c4c5d986373a503601d49e2ac0707f114594a2332b
PDF
Publication page6d0fcc20037d73338316871323bcea4d52946e7dd4951e662b00779d2dbf3ee9
Manifest28407868579bfe30380d835bc61ea20c7d1b43f5869f8f756da20994078b42d3

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
Signatured1I0JsLPn8/bJao3kSWr2osQl7dgELY3Mj7UO6UxeOqjpJkVZakKYCpwxsq5vPN7tDlM3/5XTypuwCSJgOAIBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:19.479554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067065
observed 6d0fcc20037d73338316871323bcea4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.462352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067065/manifest.json
observed 28407868579bfe30380d835bc61ea20c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.446174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067065/publication.md
observed afb6b03cc6775d26451d91c4c5d98637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.429271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067065/publication.txt
observed 246b4feb735c3dc394d98ee5468888c1...
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.