OpenTechnical

OT-2026-000074386

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000074386) never changes.

Identity and time

Publication numberOT-2026-000074386 · never reused
Internal UUID01a0ae93-7179-7e83-9d4d-1a8093026d5d · 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-2026-000074386
StatusPUBLIC

Content hashes

Canonical textcd2c0cce654e41a9eb16cff9536f09a782b2488fe31e0a89ee095f4436945fbe
Markdownaabc590eb1d57144549bca4e03f686461d2b23609797ee16aadbb14871bb2393
PDF
Publication pagec2c1aa933db748fee4d2be02b2448fb7d2ba3b4671ccd15c3df304ad651090a2
Manifestf469b68e4513ce3fbc3baefb8fa2b29253254b62b001039e83af1978c9ed3e24

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
SignatureA4bArZuUS8KiayW+b3P7/EiAtCiLjKYm2rd5UVKvQxCTlKmWQ+w3xdv7R10k2L5h1RRrLMQUbSYG+H23Xw00DQ==
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

2026-09-17T10:19:19.267650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074386
observed c2c1aa933db748fee4d2be02b2448fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.248547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074386/manifest.json
observed f469b68e4513ce3fbc3baefb8fa2b292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.229441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074386/publication.md
observed aabc590eb1d57144549bca4e03f68646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.209200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074386/publication.txt
observed cd2c0cce654e41a9eb16cff9536f09a7...
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.