OpenTechnical

OT-2026-000081538

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented after 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-2026-000081538) never changes.

Identity and time

Publication numberOT-2026-000081538 · never reused
Internal UUID01a0ae97-0f71-7e0c-8c23-7323bb1114b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081538
StatusPUBLIC

Content hashes

Canonical text43e2868d9d1d93896ba6437d6bb6ebec312383af86cf77a4a04c3caa38d003e4
Markdownc8e498cac78f1901b7d37cce9fd95040f1a27ba58f5ab01c0b7857d2bd310678
PDF
Publication page6c3b849612e61b3a96e27a3fa1909ec49c75bdf09de7d194305e5d402a306cdd
Manifest90e09d580dfb6353717cdbf892bc12d613695674c0ae1a907c515d0318e2e5d9

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
SignatureqJGeMioiVJu9SjGBmyL2BHOJOOTmnwCZ9Po/G0lVP0rVLtmlaAvq6aSGQeXrSSv/DZITOi8sfnsa3kagYzxTBw==
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

2026-09-17T09:59:33.625159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081538
observed 6c3b849612e61b3a96e27a3fa1909ec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.606897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081538/manifest.json
observed 90e09d580dfb6353717cdbf892bc12d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.591322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081538/publication.md
observed c8e498cac78f1901b7d37cce9fd95040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.573645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081538/publication.txt
observed 43e2868d9d1d93896ba6437d6bb6ebec...
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.