OpenTechnical

OT-2026-000077700

Publication integrity record

Two bellows 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-2026-000077700) never changes.

Identity and time

Publication numberOT-2026-000077700 · never reused
Internal UUID01a0ae95-2ecf-77c7-9457-c6d5e6baa0b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077700
StatusPUBLIC

Content hashes

Canonical text93a46f23130839822fe12b87c681966a710b997278271daeb8afbe6f903ae1a0
Markdownec6d18651369aadae4ef1592279ec15780c662d883de8588e819166bb0094dba
PDF
Publication page676cc8f25350c2b6c566513ad9afa4f733f451544a4f50aea6c4d601fc01bda2
Manifest9e56e8d4f3edd1a580d48a4e79722743de8c9b123a546fff6ed2b837a5c9a03e

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
SignatureUNwlE0ak8879WfvcjIUfl3l1gTkKJgN7f/uSPUae+kVOCD5fxQ+CLRggjQqQ0T23DF/P2Rekw0kAi/L77+G8BQ==
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

2026-09-17T10:07:16.382380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077700
observed 676cc8f25350c2b6c566513ad9afa4f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.363363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077700/manifest.json
observed 9e56e8d4f3edd1a580d48a4e79722743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.345517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077700/publication.md
observed ec6d18651369aadae4ef1592279ec157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.326529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077700/publication.txt
observed 93a46f23130839822fe12b87c681966a...
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.