OpenTechnical

OT-2026-000100255

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000100255) never changes.

Identity and time

Publication numberOT-2026-000100255 · never reused
Internal UUID01a0aea3-3053-7a40-b18a-95dca2c9ea47 · 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-2026-000100255
StatusPUBLIC

Content hashes

Canonical text5739427ca667327d21e7b42d18cae219173fdc50aebccc7f4ee6e9afd17f34cb
Markdown110aec1233fac53d9bef2f8350d185f501ce6224b570f63c65a3538efc267292
PDF
Publication page667152cb53cf7bdd293613098df7749fa04be2fdef372422412c4e7d192e29ad
Manifest6011a2951b9791a12ff231fe8ec1bef76aa066bb571c6fd21d21bce4211ccdbb

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
Signature5L4+i0lpbaraz09blgC/RDZXeESo2ncq8iUp0g+G3ygkJBHSXz5AvRhGAtdGrg/T6jK2XJ3JHMDAxVIi+2lwCg==
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

2026-09-17T09:30:03.555459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100255
observed 667152cb53cf7bdd293613098df7749f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.539378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100255/manifest.json
observed 6011a2951b9791a12ff231fe8ec1bef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.523152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100255/publication.md
observed 110aec1233fac53d9bef2f8350d185f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.505710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100255/publication.txt
observed 5739427ca667327d21e7b42d18cae219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.212434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100255
observed 667152cb53cf7bdd293613098df7749f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.194394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100255/manifest.json
observed 6011a2951b9791a12ff231fe8ec1bef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.002897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100255/publication.md
observed 110aec1233fac53d9bef2f8350d185f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.985488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100255/publication.txt
observed 5739427ca667327d21e7b42d18cae219...
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.