OpenTechnical

OT-2026-000025108

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000025108) never changes.

Identity and time

Publication numberOT-2026-000025108 · never reused
Internal UUID01a0ae71-5fa5-7287-9016-89c3a1e22f98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025108
StatusPUBLIC

Content hashes

Canonical text000af2c846cfcd54f6fc5b6c2c781445fca7a7f0290905650b7f56ec0b195489
Markdown2a618d1bef71068da4ef1c9bb8ebec56ec4ba1451b12d2934fed9b4fb367617a
PDF
Publication page676274b96b7f2cf82e4cc29dd7065b04700cb680bd39d462060c30c697acf6f6
Manifest76ee88692a78e69acd49f1757cb99f7628dcc71b717fc97239d8da44fef75f19

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
SignatureMgZ+uLnBvH+KPWUZ3DM6CmYPDqNvxOJOTnW8CQRnO0jOA/KMtpiwhZ9QfRIEJSyj4UG+v2HTdVIHTy/W67p0BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:58.863707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025108
observed 676274b96b7f2cf82e4cc29dd7065b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.844635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025108/manifest.json
observed 76ee88692a78e69acd49f1757cb99f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.825266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025108/publication.md
observed 2a618d1bef71068da4ef1c9bb8ebec56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.805151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025108/publication.txt
observed 000af2c846cfcd54f6fc5b6c2c781445...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent