OpenTechnical

OT-2026-000070813

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000070813) never changes.

Identity and time

Publication numberOT-2026-000070813 · never reused
Internal UUID01a0ae91-8c2d-7893-80b7-98000e9bd5bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070813
StatusPUBLIC

Content hashes

Canonical text20309ef2ae2be693d8deaa35c4bd8fb63c22c6786c238baf20b4ca5d754279ec
Markdown09add393d89377e628101769c39d336ab8bc61df0b97a210ed85e8de81c084dc
PDF
Publication pageaaa0b8e24232632d7ed8757869b396bdf6d56f84ed887f22863211cf3cd44374
Manifest191e98a3c1a65d7d923f27e5f8d2f09b2db9590b81819a1dd74816c3c8388bd8

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
SignaturejqPlvPRBEPnS7glWlRosKcngKfSYkBL8gFwUVtYHiSO2QcNJs87LeDJL2uadkJm/XMZdjPPgkA5ue7+zd0sQCQ==
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

2026-09-17T10:25:37.318037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070813
observed aaa0b8e24232632d7ed8757869b396bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.298508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070813/manifest.json
observed 191e98a3c1a65d7d923f27e5f8d2f09b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.278665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070813/publication.md
observed 09add393d89377e628101769c39d336a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.260500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070813/publication.txt
observed 20309ef2ae2be693d8deaa35c4bd8fb6...
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.