OpenTechnical

OT-2026-000073052

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000073052) never changes.

Identity and time

Publication numberOT-2026-000073052 · never reused
Internal UUID01a0ae92-c816-7b0e-93d7-4ccb76709aa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073052
StatusPUBLIC

Content hashes

Canonical text9966523ac94f486c0c91d34c098a842848294bc2033a5cdebabeaae906f399e3
Markdown4e41def6eff3df45f4531570b49b2fdb5bc3a9c84ea31b310a4fcee763962e37
PDF
Publication page313da628655d94f78c09115eeb7ec7cc39277594b5f15fde15d6a37eeeb40a84
Manifestfbfbc68de3511b375eaf3cabd1a68d2b3f721c359df547c984f46c256a9fa9c7

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
SignatureTjSGLag2e9n/Xjq7xyvTeiN2oHnQZtmodisFZ0nXiTUj10J2wTuZsk3Y2QLyeUNmquVVaF3KvyzOLS7cFmm9Dw==
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

2026-09-17T10:21:59.819661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073052
observed 313da628655d94f78c09115eeb7ec7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.802485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073052/manifest.json
observed fbfbc68de3511b375eaf3cabd1a68d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.787201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073052/publication.md
observed 4e41def6eff3df45f4531570b49b2fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.770910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073052/publication.txt
observed 9966523ac94f486c0c91d34c098a8428...
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.