OpenTechnical

OT-2026-000074445

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000074445) never changes.

Identity and time

Publication numberOT-2026-000074445 · never reused
Internal UUID01a0ae93-717a-7f86-9bcc-99acb63fd83f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074445
StatusPUBLIC

Content hashes

Canonical text9269842a4e4b275f1171b3a182409b0b928339c0dfcd4e6c117610ca34586495
Markdownd2e183e9669c9009d16409a8bf1fa8c24cd6d701f32f5af3372ffd180bc3f6ec
PDF
Publication pageff4b6dc4d7706a21d8ea549e53826468d5a225df958ecaad4938741d3f37d391
Manifest4cd17ab5be172d11caedd1ef5017f2465288b867c4c952a191229f41f9745512

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
SignaturepZ/19Z20B5hM6jLWNr5UVNuLR+RZ4d6Ip6dG/vuNsqm2RF7uApoS5AOTgkc+JLgaAu8HC92K5pzUITx12UjnCw==
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

2026-09-17T10:19:24.038582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074445
observed ff4b6dc4d7706a21d8ea549e53826468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.020045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074445/manifest.json
observed 4cd17ab5be172d11caedd1ef5017f246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.001740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074445/publication.md
observed d2e183e9669c9009d16409a8bf1fa8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.981176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074445/publication.txt
observed 9269842a4e4b275f1171b3a182409b0b...
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.