OpenTechnical

OT-2026-000084931

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000084931) never changes.

Identity and time

Publication numberOT-2026-000084931 · never reused
Internal UUID01a0ae99-43b7-7ee8-9b15-077792638de2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084931
StatusPUBLIC

Content hashes

Canonical text3301c9626e3c9ac6c7f92c52cd9dac27130bd49674af2d4780525db808c34cb2
Markdown3615a0d947626b677b379806a6d77fd3a713c07c1a559eae385a04f41bd920a1
PDF
Publication pagec4faed41d9621e924ad7da956fbba4e6e9bd6c50043a35fa09af104d3aec6a2c
Manifestc6054932b9c2c92864fd0c33734c84b88ebf84ef3c19e72087f108e22edc9c84

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
SignatureZjd4e/RGCWs34bVi5BM9dcOuWafYNdwOv5YLw1Fg/e3WE+3vizQ4BAEikT5PuSMFUs60VZZ9xHqYG+P0MMFUBQ==
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

2026-09-17T09:54:55.166481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084931
observed c4faed41d9621e924ad7da956fbba4e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:55.149437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084931/manifest.json
observed c6054932b9c2c92864fd0c33734c84b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:55.131115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084931/publication.md
observed 3615a0d947626b677b379806a6d77fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:55.113331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084931/publication.txt
observed 3301c9626e3c9ac6c7f92c52cd9dac27...
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.