OpenTechnical

OT-2026-000089793

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089793) never changes.

Identity and time

Publication numberOT-2026-000089793 · never reused
Internal UUID01a0ae9c-1a23-789e-9dd1-0b0b7b482847 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089793
StatusPUBLIC

Content hashes

Canonical text24317459b4f3741561029ea301a760f372cc655c449cffda9bed977bb30d2304
Markdownd3ab14d25f4d124897a8ea0fc81f1b9c1b19e26f20cdfc4d484e4f6d7db7d971
PDF
Publication page1733de289d894db6dec6aaed8b6914a9c2d6c1ba0e8cf9875cb28361a4ee55d5
Manifest67e566382e712438126815eaf4de3fabb09840f6b63f0b685768d82887396357

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
SignatureZ0CIudQs6QPEXc69iDniituB1K1yZPoMJpjdtwcP0thrY9yh6BtEhA/yfmbThbswxAkBwcG5Ya4fJfhmuwPHBg==
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

2026-09-17T09:46:53.047799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089793
observed 1733de289d894db6dec6aaed8b6914a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.030438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089793/manifest.json
observed 67e566382e712438126815eaf4de3fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.012910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089793/publication.md
observed d3ab14d25f4d124897a8ea0fc81f1b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.996413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089793/publication.txt
observed 24317459b4f3741561029ea301a760f3...
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.