OpenTechnical

OT-2026-000055403

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000055403) never changes.

Identity and time

Publication numberOT-2026-000055403 · never reused
Internal UUID01a0ae86-a101-7d71-8191-ea8d70032911 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055403
StatusPUBLIC

Content hashes

Canonical textb669ba314ea281902f143b9b5c3f65f122c6c56796ef418959b3ce06c1ee8766
Markdown432481f761734de866dc333a1eba2299f84301ee446fede5529e59fb9305ef04
PDF
Publication pageb84a44e103771bc26005359576ef7ace7d6a828b1b8427283dc290888d37035b
Manifeste5ce4e6c7c90f2030795ab80aabb05f460538047e9a5f6aaccb097274d17f5e6

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
SignatureRJUvD559XWuYeLRpBhJ1+IPZTI49TTAhLYzknlsBa2aFevxwIayzU5X6fki5wdqy5cCgsZm7CiC9Zc9w8SdgDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:02.651778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055403
observed b84a44e103771bc26005359576ef7ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.635284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055403/manifest.json
observed e5ce4e6c7c90f2030795ab80aabb05f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.618278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055403/publication.md
observed 432481f761734de866dc333a1eba2299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.601261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055403/publication.txt
observed b669ba314ea281902f143b9b5c3f65f1...
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.