OpenTechnical

OT-2026-000074215

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000074215) never changes.

Identity and time

Publication numberOT-2026-000074215 · never reused
Internal UUID01a0ae93-7178-7fd2-8435-5995be73998f · 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-2026-000074215
StatusPUBLIC

Content hashes

Canonical textf3d70ec7c356e1975754bad014f659c0bacfffb824f0b8851149587332278a6b
Markdownbc3b58eb6c511a96a347982d33f357a1ded0e0c6f746349e707f067717e6b596
PDF
Publication page39648a13cf0b9545dc56b5fcdc697148787c5750695c8a1e6db78562de3607ec
Manifest9dd6f759c826baf2b18f014abce488cca0709a50ebb8851dbfcffad46405caa7

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
Signature/9Bo1LWG9L/Czuz+i02cLYyQGLW8eE/+ySuwj513UkDk8vE8Q86TLunZ1RSzycfheN06yeU+HxxvS0sixZTFBQ==
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

2026-09-17T10:19:04.467427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074215
observed 39648a13cf0b9545dc56b5fcdc697148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.448552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074215/manifest.json
observed 9dd6f759c826baf2b18f014abce488cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.429516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074215/publication.md
observed bc3b58eb6c511a96a347982d33f357a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.409921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074215/publication.txt
observed f3d70ec7c356e1975754bad014f659c0...
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.