OpenTechnical

OT-2026-000080604

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented after set-down

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-2026-000080604) never changes.

Identity and time

Publication numberOT-2026-000080604 · never reused
Internal UUID01a0ae96-7e79-7042-b3b0-b07e8e34cb89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080604
StatusPUBLIC

Content hashes

Canonical textee369d1b90c87f75d599cb8843a2ee2bce6fe0191634221d360871a788b0fb37
Markdown1aadba18f8fbcd227d7105375a6fb69540c9cce387578fe5311e157bdb04f861
PDF
Publication pagef656c43dcaa6f27b74d4cd12f88871bb29a7256cc0d3a65afaf12ef084d1a36a
Manifesta8de772996b25c09d520052ac81ccc0cdd28f4257c73b750c06c9220e6f623a7

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
SignaturexZSDH3INbP9RE1gycYfyA8A52N+q9wrPVtH3GvIG+e4+/NZOGhChWdDiguZx1pc92TWlVjACYFEuW8y+jCU7Bg==
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

2026-09-17T10:03:14.497469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080604
observed f656c43dcaa6f27b74d4cd12f88871bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.478280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080604/manifest.json
observed a8de772996b25c09d520052ac81ccc0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.458392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080604/publication.md
observed 1aadba18f8fbcd227d7105375a6fb695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.438051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080604/publication.txt
observed ee369d1b90c87f75d599cb8843a2ee2b...
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.