OpenTechnical

OT-2026-000073899

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000073899) never changes.

Identity and time

Publication numberOT-2026-000073899 · never reused
Internal UUID01a0ae93-2b8e-7136-9ea0-878198cc92f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073899
StatusPUBLIC

Content hashes

Canonical text9bbff53e866e14c6908306a1232b2243bc6df4e0ec180b168caec9b0f71f4a2c
Markdowndd77c566b5004bda557605467fd09aad8f434a709ca17226a6cdbbf3ed69c6ef
PDF
Publication pagef600b51bef0cc0a799d52ee21ac14f515ce5ae7ba5265735d07184534f34a531
Manifestec5706ca5dcc0fb25ea1a3c0a0e33dc1066ff6d2e2a159426a9004beee05f853

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
SignatureEvKbKhA48PyIWPwo+TPu081tk9Wxm66/X8OymjEe7HW4ccBybS+lRWCqXNzWdMaot3zhsvHpK5hiIJ9yorLwBg==
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

2026-09-17T10:20:03.294212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073899
observed f600b51bef0cc0a799d52ee21ac14f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.273500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073899/manifest.json
observed ec5706ca5dcc0fb25ea1a3c0a0e33dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.253495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073899/publication.md
observed dd77c566b5004bda557605467fd09aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.236205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073899/publication.txt
observed 9bbff53e866e14c6908306a1232b2243...
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.