OpenTechnical

OT-2026-000040798

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000040798) never changes.

Identity and time

Publication numberOT-2026-000040798 · never reused
Internal UUID01a0ae79-6d0f-74e1-a6e8-81cd1b5e73af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040798
StatusPUBLIC

Content hashes

Canonical textde68a122287ba3d0a5ce607541f060f04112a4eeaf012a4fdc0ffd187a1726b7
Markdown74b2a1e1ac18ba6417c51e6ff81886d3387ee2ffcce57e7dd25cd21b61b23f01
PDF
Publication page1c09fb750251d38ab4e34b77cbcbdb37dd8ad31d3297f31a305df3184acdb607
Manifested65e6a859184b52ab77235db5c81190204db483385487cd3beb8f1ddf3d50ef

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
SignatureEMfJcyH99fpJTMf8KglvxNwxFwsrtD9V9DvKaEUl2O4fe28dSBQhZ6oMOD/9Qt2n38gxOb/HA00sStmNJNc+CQ==
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

2026-09-17T11:20:08.071012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040798
observed 1c09fb750251d38ab4e34b77cbcbdb37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.051906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040798/manifest.json
observed ed65e6a859184b52ab77235db5c81190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.032991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040798/publication.md
observed 74b2a1e1ac18ba6417c51e6ff81886d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.014445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040798/publication.txt
observed de68a122287ba3d0a5ce607541f060f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:34.163748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040798
observed 1c09fb750251d38ab4e34b77cbcbdb37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:34.147307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040798/manifest.json
observed ed65e6a859184b52ab77235db5c81190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:34.130839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040798/publication.md
observed 74b2a1e1ac18ba6417c51e6ff81886d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:34.111405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040798/publication.txt
observed de68a122287ba3d0a5ce607541f060f0...
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.