OpenTechnical

OT-2026-000100355

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000100355) never changes.

Identity and time

Publication numberOT-2026-000100355 · never reused
Internal UUID01a0aea3-3054-7cbd-9220-ec8a0e585485 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100355
StatusPUBLIC

Content hashes

Canonical text9fcb01e84fed770fc680a1269a2a494dbe199d0a3a1417ec1bdd84c57abb7a02
Markdown5487469a14d5ce1f965369425d9fb4ef08fc5d61bc3d9f2510007f2b3edccaf2
PDF
Publication page0db79616adf77273bc2f60af3641ce81b5d6b4376de78db0bd902494f9344a23
Manifeste2e28d63ef19f9305610abdd7080192625bee2673afb938eeb5950952a3be2e2

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
SignatureAqadX152yKTDrlj56RksOHW5bZK0en9OLwKS2YmjcC6XNR9I6Jmg2GwFBS+lG0MimXfXHP/EagP3GNeCeJa7Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:18.400289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100355
observed 0db79616adf77273bc2f60af3641ce81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.379447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100355/manifest.json
observed e2e28d63ef19f9305610abdd70801926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.359224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100355/publication.md
observed 5487469a14d5ce1f965369425d9fb4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.338118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100355/publication.txt
observed 9fcb01e84fed770fc680a1269a2a494d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.691403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100355
observed 0db79616adf77273bc2f60af3641ce81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.673845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100355/manifest.json
observed e2e28d63ef19f9305610abdd70801926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.655901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100355/publication.md
observed 5487469a14d5ce1f965369425d9fb4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.638624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100355/publication.txt
observed 9fcb01e84fed770fc680a1269a2a494d...
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.