OpenTechnical

OT-2026-000078309

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000078309) never changes.

Identity and time

Publication numberOT-2026-000078309 · never reused
Internal UUID01a0ae95-7c27-7f39-a17c-2a5fb35c35a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078309
StatusPUBLIC

Content hashes

Canonical text18c5b484837a034a17c748440db402ea06989c240754db1ed654e9b868c46ca6
Markdown914d31767ecd093040a8c37bbb5ab59ede1ce61245f1aac00cb0ee0246d3dd2a
PDF
Publication pagea5d80a5d241cec4e7f6b95a4d33df014bbdd1b8e3a21ef74f4155dacb7a463fb
Manifest2ed1f4f8e8540d3f7b06827cbc3b0025b905ef1e8c5f30f7493d8772cc90a5cd

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
SignatureTrrhtjZd5R3qIsz4N3coMyYLwmoFIIc5v8bLkkhOYbervz3BIH65ec0DB8gZHw6XkQw+LVIJ0OKsZRv9TTKnDw==
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

2026-09-17T10:06:16.507231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078309
observed a5d80a5d241cec4e7f6b95a4d33df014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.489513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078309/manifest.json
observed 2ed1f4f8e8540d3f7b06827cbc3b0025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.469435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078309/publication.md
observed 914d31767ecd093040a8c37bbb5ab59e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.452704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078309/publication.txt
observed 18c5b484837a034a17c748440db402ea...
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.