OpenTechnical

OT-2026-000055890

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000055890) never changes.

Identity and time

Publication numberOT-2026-000055890 · never reused
Internal UUID01a0ae87-0a49-7274-8ecc-6f9af84452c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055890
StatusPUBLIC

Content hashes

Canonical textac7993f7c456d6c8559842f1c8a8a23a0d5d38cf79708c0836f4e465adda2e1c
Markdown30ba5d54c87a63504fe5a756c600580dc227217bfdb1a2edf1a183da0ab97c44
PDF
Publication pagee9c6a888ed296ad5eff5ec7e0bb8bc27bba3473d3491b7f50e41818e6361a0e3
Manifest5038ff3214008a6d0c1f02203f8ff1875fddf01d2c034442cc72777888db3dcc

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
Signaturee6PxpNxTo7nDWYMTWODbjMERQWdHZ4NPuOta0T+V7WdYSgIh+NNtud3dNIMWDJVaQt2DV+ikUvdkSTuPQ6g/Cw==
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

2026-09-17T10:51:17.632185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055890
observed e9c6a888ed296ad5eff5ec7e0bb8bc27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.614657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055890/manifest.json
observed 5038ff3214008a6d0c1f02203f8ff187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.597627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055890/publication.md
observed 30ba5d54c87a63504fe5a756c600580d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.579383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055890/publication.txt
observed ac7993f7c456d6c8559842f1c8a8a23a...
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.