OpenTechnical

OT-2026-000072502

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented before 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-2026-000072502) never changes.

Identity and time

Publication numberOT-2026-000072502 · never reused
Internal UUID01a0ae92-89d8-79cd-b08b-0bbc3634515f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072502
StatusPUBLIC

Content hashes

Canonical text58489b23c1117df1b8a0cb677a02b8bdd43bd6d0ea1fc5391c42dec8abce9cfe
Markdowne544bd604d51011d733673870d3055584c0a3b1be5576d1c625809405c0b9e1d
PDF
Publication paged26f4129315645a822e4c1bb38a7f05ac9a3870daefffce50a881d5bfd1fe798
Manifest092772ee519ac944e5468fdb2eacbd7af07a7697c05bcce25405e7b9baade406

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
SignatureYPyooobrvIeu2RCgUuYguOUbYFcAXIN5blIe/oDloTfqsz3JA+KwxBszmXl3HN+QfACNl6t9dtV71zTNRyztCQ==
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

2026-09-17T10:22:19.741685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072502
observed d26f4129315645a822e4c1bb38a7f05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.723553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072502/manifest.json
observed 092772ee519ac944e5468fdb2eacbd7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.704937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072502/publication.md
observed e544bd604d51011d733673870d305558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.685279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072502/publication.txt
observed 58489b23c1117df1b8a0cb677a02b8bd...
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.