OpenTechnical

OT-2026-000074421

Publication integrity record

Two cup vacuum gripper, two zone face, four 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-2026-000074421) never changes.

Identity and time

Publication numberOT-2026-000074421 · never reused
Internal UUID01a0ae93-717a-7eb6-80f4-834ec2a04a33 · 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-2026-000074421
StatusPUBLIC

Content hashes

Canonical text582df24854d4f7884e81d8ad3e0d4860146ad11065f8b4a5f490930da5353ff4
Markdown3aa452e67f8510934f979e09a185042f9f4e059c280a014e0cb5fbfb62d02c95
PDF
Publication pagee68c706e080bfc3c8ffb09bb1dddacfce7da96a7fbf9f06082b0414debe97662
Manifest7699ce9fe2b656215523a33d6d2cb2e7816708054fd6a06c78bb870235154be5

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
SignatureeNdB41C1uFG3HFJ/IOzN5wPtGRKsOm6v2562pL57DaML+QlBEh2W0J3rth/9HZ5gOYtZUfaxDTT1jW0xR2cIAg==
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

2026-09-17T10:19:22.122034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074421
observed e68c706e080bfc3c8ffb09bb1dddacfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.104018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074421/manifest.json
observed 7699ce9fe2b656215523a33d6d2cb2e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.084879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074421/publication.md
observed 3aa452e67f8510934f979e09a185042f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.064852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074421/publication.txt
observed 582df24854d4f7884e81d8ad3e0d4860...
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.