OpenTechnical

OT-2026-000080020

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000080020) never changes.

Identity and time

Publication numberOT-2026-000080020 · never reused
Internal UUID01a0ae96-4377-7172-9f24-40b80a577df7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080020
StatusPUBLIC

Content hashes

Canonical text3ef2ed265c405cfee1059d148fd9f9b7e9cc6244bb11786dae92c8b07c7c0736
Markdownc97df40684baa534209e106545744ef0cb8c22d950c7b08281cb34763b693813
PDF
Publication page7c587c720240ddf3bba060ed3b09a96dd894cf694169e397f7b975f7963c815f
Manifest27b6285fe7cb55fbc989372cbdbcd2a02f4c406c52c8967896484344f2a979de

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
SignaturefXBt4Mfa/6limhmj76C9EZhaq1gJEmt1juz0Im9d3m2gI9R6f4FmUcu7p+6kkReR9fhBDn902RAEGaZEY128Aw==
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

2026-09-17T10:03:56.443526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080020
observed 7c587c720240ddf3bba060ed3b09a96d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:56.426775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080020/manifest.json
observed 27b6285fe7cb55fbc989372cbdbcd2a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:56.408218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080020/publication.md
observed c97df40684baa534209e106545744ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:56.390194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080020/publication.txt
observed 3ef2ed265c405cfee1059d148fd9f9b7...
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.