OpenTechnical

OT-2026-000103834

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000103834) never changes.

Identity and time

Publication numberOT-2026-000103834 · never reused
Internal UUID01a0aea4-e463-7792-af25-715e1a08e03e · 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-2026-000103834
StatusPUBLIC

Content hashes

Canonical text1251264b4bde211021fab5d81bd52c2b7b88b978494779b01ea41e1d77f15401
Markdown4b9d1678f876e2da73c6d176b6a3582e31019a386fccb5788eb739e71ca8f93d
PDF
Publication pagefeac209bd9fd79761da6fb73ebd5cc75f65693cd083081c9a452e718909a0ae1
Manifest71e72a65230ecc826a7ee1ebeeb144534f6894cd6e16965e866c921ba96d91d8

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
SignatureBfXIUp+1LUzUZIFx0cxIJ0ZYJwQgBcgEWZjWtMk2163ZFioz9ZC2naiPpETRc5GLHjgo3neWhHYdxK9/KTn9BA==
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

2026-09-17T09:22:47.578959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103834
observed feac209bd9fd79761da6fb73ebd5cc75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.562526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103834/manifest.json
observed 71e72a65230ecc826a7ee1ebeeb14453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.546631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103834/publication.md
observed 4b9d1678f876e2da73c6d176b6a3582e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.530191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103834/publication.txt
observed 1251264b4bde211021fab5d81bd52c2b...
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.