OpenTechnical

OT-2026-000008342

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000008342) never changes.

Identity and time

Publication numberOT-2026-000008342 · never reused
Internal UUID01a0ae6a-e469-71ac-acb6-d5b96fd5323e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008342
StatusPUBLIC

Content hashes

Canonical texte16afcf6df0c1a668038538291c14dc283c68a798a21f87603246c38ea5d6d57
Markdownc19692f0af224f5a25945c1688aacbc4941ce3adc346a7eadbdb344e5eadc2a7
PDF
Publication page4b926b8a37ef48f27b24bd7c551eda18a64b3e85e1a493b0d47484f12a7ab689
Manifest031de12fdd0f4ed470cb1bd299ab33b01459cbef83c25296dca1646d0d323c1c

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
SignaturekvBjNUSeKe5qKgGt9XU+GGBa8VEaWst7eUN0Bf1Ywpxune+2VyOWP7CE92K1RvECd0sh09sT+inRKrE06XbgAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:09.623798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008342
observed 4b926b8a37ef48f27b24bd7c551eda18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:09.603673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008342/manifest.json
observed 031de12fdd0f4ed470cb1bd299ab33b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:09.584721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008342/publication.md
observed c19692f0af224f5a25945c1688aacbc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:09.563998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008342/publication.txt
observed e16afcf6df0c1a668038538291c14dc2...
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.