OpenTechnical

OT-2026-000067260

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000067260) never changes.

Identity and time

Publication numberOT-2026-000067260 · never reused
Internal UUID01a0ae8f-6bd6-7657-ab2a-1eaaa83097c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067260
StatusPUBLIC

Content hashes

Canonical text7ee54498bd6bc3e2e5fa249bdd33070b548cb46250b03200e3eedb83f4431448
Markdown682712eb3b25dc64806bb5d6e31db8b615c0dec763fbbfee1d09fc7dee04d482
PDF
Publication page75ececc2377cd57a6ce11ff3221b712c6720b8e5ab440f61f269329a1b6811d6
Manifest6240160b91db2b0d62960b951ed2e740c11a278574bbeef1936e3ed80f3f5d1a

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
SignaturefgCTM+hfN9/Io4e4jkpUf03KTt9Y2g1ctN2EdU/ySXb52ilOOkqhE/GzTtyAQRIK65WFJg9MkinIygPuWR0WBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:56.340756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067260
observed 75ececc2377cd57a6ce11ff3221b712c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.322188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067260/manifest.json
observed 6240160b91db2b0d62960b951ed2e740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.303161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067260/publication.md
observed 682712eb3b25dc64806bb5d6e31db8b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.284794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067260/publication.txt
observed 7ee54498bd6bc3e2e5fa249bdd33070b...
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.