OpenTechnical

OT-2026-000103686

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000103686) never changes.

Identity and time

Publication numberOT-2026-000103686 · never reused
Internal UUID01a0aea4-e462-7c47-a812-3e0cf59d759c · 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-2026-000103686
StatusPUBLIC

Content hashes

Canonical textfec986e2868b7218eaa26e5d067b9956b4a79b420bba71d3037fde7ed465e982
Markdownc1f5c8c054f7eec61958848535f4fa82c73f0d66057063e6d66f340293028217
PDF
Publication page31902e1987464715ac592077b49751ea435935894da60254f1af3e4727effa53
Manifestd35334b64a4e8f55617eeb21d252b9533edd71552483e0e9aa5d46c6b2f0631b

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
Signature6Rqs65KeNuoW4NZ2qQA4Ufj1vHs+czpvorLuM7zXt5wRRozvXSplZUAs2Q5K7NZW+YpYnEwpZXIm3JtPkWjjBQ==
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

2026-09-17T09:22:29.433170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103686
observed 31902e1987464715ac592077b49751ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.416476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103686/manifest.json
observed d35334b64a4e8f55617eeb21d252b953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.384877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103686/publication.md
observed c1f5c8c054f7eec61958848535f4fa82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.354692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103686/publication.txt
observed fec986e2868b7218eaa26e5d067b9956...
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.