OpenTechnical

OT-2026-000089760

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000089760) never changes.

Identity and time

Publication numberOT-2026-000089760 · never reused
Internal UUID01a0ae9c-1a22-76b2-93db-0a70b521b8c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089760
StatusPUBLIC

Content hashes

Canonical textd4ec5177f69eba641613ea7d9ba62b24e56a7c6c9bdddbf7fcc9d2a8b66b7a6e
Markdown845f51758f227436f57fa779ece57f0f21b8712d0c542d369ca4a65a63e1fc11
PDF
Publication page53c5696f9d924b0b797bffbd0ad06c82092ebb4d42700303b916a1311e13620f
Manifestbd7da2a79da741f4fb9827cb62633698fd01fd2a77157f0ee1683ffc9880c3e6

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
SignatureqEmwpmG3SGr+vLl6ij2a5xAspm1p1XpqNekmNVvOJML4KHBRlZ/dAJkev7GTGQ2AOIVK5T64sIlpEn52c9r8AA==
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

2026-09-17T09:46:50.766586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089760
observed 53c5696f9d924b0b797bffbd0ad06c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.749514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089760/manifest.json
observed bd7da2a79da741f4fb9827cb62633698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.732084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089760/publication.md
observed 845f51758f227436f57fa779ece57f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.716040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089760/publication.txt
observed d4ec5177f69eba641613ea7d9ba62b24...
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.