OpenTechnical

OT-2026-000055155

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000055155) never changes.

Identity and time

Publication numberOT-2026-000055155 · never reused
Internal UUID01a0ae86-5e82-7855-929b-b2f4bea901b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055155
StatusPUBLIC

Content hashes

Canonical text3c62e35cf8cdaa2acdc49484e9304af187c39b01bec663c0e0e3743358271e37
Markdown45759454db6d43437a5557e0892e9b9729864f4f243af955c77605909255b84f
PDF
Publication pageb320348011c202036c7271bc171ba9e78d812217b66b7dd49435615e3c5efea6
Manifest07bd609438ee396d55794f8a407601ce973f1673853054299ef17162221a33ef

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
SignatureQjPCxMk3k92MRIGJy1Kve0Z5ZikPlybj8321X5scT6l0iSU/qqab5TfavCzatxi9zlq5QhJLHPRWGdFwukp/BQ==
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

2026-09-17T10:53:20.278387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055155
observed b320348011c202036c7271bc171ba9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:20.261249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055155/manifest.json
observed 07bd609438ee396d55794f8a407601ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:20.243126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055155/publication.md
observed 45759454db6d43437a5557e0892e9b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:20.225965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055155/publication.txt
observed 3c62e35cf8cdaa2acdc49484e9304af1...
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.