OpenTechnical

OT-2026-000103743

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pulsed blow-off 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-2026-000103743) never changes.

Identity and time

Publication numberOT-2026-000103743 · never reused
Internal UUID01a0aea4-e462-73f6-9027-fc6a8ce37a34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103743
StatusPUBLIC

Content hashes

Canonical text9b7bf4f78d1230ce812b67b48e4f09eaca1dd2f1771af39f65743f444543917d
Markdownca9b9a209ecac8b0e59380b2d6c2713de94232c533cdd1613eb3337d725a3de0
PDF
Publication page6bd85672d035869ee870dd80fe59d108a3d226c007640f3d1ff9ca49a85a886b
Manifest8cfc101b061d6b4fbd27fe0218bcac58ec076ead03acf6b5b27f0044ab05d955

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
SignatureI9zucJZfbzc7Y5ueAB9Ui8xFRI0X5fjrQIE97Nm6iqIjz6ngJ5uXP5HDfQ9ESDoYEjlWqjFpd3r5AdkbuQlqAg==
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

2026-09-17T09:22:41.724183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103743
observed 6bd85672d035869ee870dd80fe59d108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.707520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103743/manifest.json
observed 8cfc101b061d6b4fbd27fe0218bcac58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.691919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103743/publication.md
observed ca9b9a209ecac8b0e59380b2d6c2713d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.676682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103743/publication.txt
observed 9b7bf4f78d1230ce812b67b48e4f09ea...
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.