OpenTechnical

OT-2026-000074341

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000074341) never changes.

Identity and time

Publication numberOT-2026-000074341 · never reused
Internal UUID01a0ae93-7179-718b-bf0d-f0842840564e · 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-2026-000074341
StatusPUBLIC

Content hashes

Canonical text918e86bcd9459b407d8e828da1a5c075de622c80da4ee49140062ed3dfcdf1ce
Markdown0ec539a94be2890589e6b523111a0307eaacf01138a59c0233352e5a88d0bf2e
PDF
Publication page97e4889b4ece5d4edf9fd6eb6e138a7035792188043eb446530c7cdcd788331a
Manifestf63600bd26f83d8001bf46a3c67a0834baa9cc2b729fefeea00ef3113a10b580

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
Signatureq8uYCRx8I8dOxgGUeYBc9sfQlhXwypy+DuVednAyumNxjs16PWMx9SHHzNSoRkwst5cfSDnzSSkKZ60ZHr6gAQ==
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

2026-09-17T10:19:15.780198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074341
observed 97e4889b4ece5d4edf9fd6eb6e138a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.761032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074341/manifest.json
observed f63600bd26f83d8001bf46a3c67a0834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.743078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074341/publication.md
observed 0ec539a94be2890589e6b523111a0307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.726674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074341/publication.txt
observed 918e86bcd9459b407d8e828da1a5c075...
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.