OpenTechnical

OT-2026-000080546

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000080546) never changes.

Identity and time

Publication numberOT-2026-000080546 · never reused
Internal UUID01a0ae96-7e79-7b85-bf87-8bdbbf1a60fe · 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-2026-000080546
StatusPUBLIC

Content hashes

Canonical textdf2c23597ed9e4a3bc25884ce6233d4b5f760591cbb4108f8c245b4a709385c5
Markdown016682fbb9233df136e8f09c9b1bb4240d91b462f60ee3c629f6ae1d5717f347
PDF
Publication page38786b5e6d6e12cb3c13d83c44a1b10988ebf8e658502bf00702922353521f2b
Manifestcb27e0836804212ab86b5f6a592c2a694296f7a3eb2a6097878f432f31c78a7f

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
SignatureAOaoReF7bus2E/Y1dbBCtw1cRr+8Tkdge+3b8XfI6md5HarRQA6KBu2YGoIqaas0dp2+ilF7flc4Rmpo8ObIBw==
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

2026-09-17T10:03:10.267098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080546
observed 38786b5e6d6e12cb3c13d83c44a1b109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.248091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080546/manifest.json
observed cb27e0836804212ab86b5f6a592c2a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.228212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080546/publication.md
observed 016682fbb9233df136e8f09c9b1bb424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.210356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080546/publication.txt
observed df2c23597ed9e4a3bc25884ce6233d4b...
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.