OpenTechnical

OT-2026-000074773

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000074773) never changes.

Identity and time

Publication numberOT-2026-000074773 · never reused
Internal UUID01a0ae93-ac2c-76d3-a03c-939c975c0e08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074773
StatusPUBLIC

Content hashes

Canonical textb54e245012ca4d21090996174eba9eab3375aa7e302ced4dacbefd67415c5008
Markdown9a63acfcd3e997a9b395fc36e54a9ad89a8ce1811f7f4a736cde636e994352b3
PDF
Publication page1e079d1e262b84c1069d6c51b3926f7407ff37dc8cee90ea9742ab4d1f28243e
Manifestf27212ae1378d16b5abd3b8104a7a39ebf2ab95adb9fa9e851da6a8959eef90c

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
SignatureGeooqcn3ZfU16Ug5QtviNUo43KzFYWXtjjr9uZsmE7nWx6ZCvO/i6Us9cNYlPF6u/D55mTdVlIywWenplnICBA==
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

2026-09-17T10:18:28.134205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074773
observed 1e079d1e262b84c1069d6c51b3926f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.116068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074773/manifest.json
observed f27212ae1378d16b5abd3b8104a7a39e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.099106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074773/publication.md
observed 9a63acfcd3e997a9b395fc36e54a9ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.080524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074773/publication.txt
observed b54e245012ca4d21090996174eba9eab...
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.