OpenTechnical

OT-2026-000008146

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000008146) never changes.

Identity and time

Publication numberOT-2026-000008146 · never reused
Internal UUID01a0ae6a-908c-7808-a84b-9079f1422cf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008146
StatusPUBLIC

Content hashes

Canonical textc5516a2ef6b8bbb49b5a37d402094374a160404db872862b539c1802253664d9
Markdown6ea0df24fc633b0a67f6352fed10607b53649ae33eb792798d2b63184db8d308
PDF
Publication pageb9dbe6dd0c815a52e224d2e36959ceacc4e5087a06bd076b110bdd7f28eaf2cb
Manifeste38d008e085708d3cb058da7f8e5d8ad441b7a6a24912386496947e894a67001

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
SignaturedjMCilkz1cAjc16ASTFCBW+Vq6XDYvs9OTNxBBi3eCWKkXBB34Jf0UMuc2AWWvpUExzWPdItNHMy8wa4bSfRAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:28.570198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008146
observed b9dbe6dd0c815a52e224d2e36959ceac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.552446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008146/manifest.json
observed e38d008e085708d3cb058da7f8e5d8ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.529943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008146/publication.md
observed 6ea0df24fc633b0a67f6352fed10607b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.499838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008146/publication.txt
observed c5516a2ef6b8bbb49b5a37d402094374...
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.