OpenTechnical

OT-2026-000055646

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000055646) never changes.

Identity and time

Publication numberOT-2026-000055646 · never reused
Internal UUID01a0ae86-a103-7bd3-b06c-eb621e9795db · 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-2026-000055646
StatusPUBLIC

Content hashes

Canonical textf31cc57255a29c1ffca2e223b335e33ec04d4c5c4e34b6affe599b57e7914c78
Markdown54fb241a05babbc121bec14ac61b2af5f0c3cbb34597f08fb38066e0b99c9cf9
PDF
Publication page8cc05e56c9ff50aacd558ee8f76583667261bdb9d8813b898beebf137220cbf4
Manifest7c2fddb6087cdd494ef640200a352043e1e2e41c3faf2122f622e15c67a52d23

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
SignatureLUBcoZbGhQlfsNu33PjBITGkoJRC21rF/Wv6dxDLe5KTCKQgCjh7uCg+kuHSPTn3ZiZTbJmcQLfMb6199u7LDg==
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

2026-09-17T10:52:54.062105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055646
observed 8cc05e56c9ff50aacd558ee8f7658366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.042892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055646/manifest.json
observed 7c2fddb6087cdd494ef640200a352043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.025884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055646/publication.md
observed 54fb241a05babbc121bec14ac61b2af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.004444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055646/publication.txt
observed f31cc57255a29c1ffca2e223b335e33e...
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.