OpenTechnical

OT-2026-000055558

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000055558) never changes.

Identity and time

Publication numberOT-2026-000055558 · never reused
Internal UUID01a0ae86-a102-713b-8682-d3d6e7423527 · 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-2026-000055558
StatusPUBLIC

Content hashes

Canonical text7aceffa9c319bd4b1a4ed2f5b05909a99d897f2642de732ce8c6c672625ebee8
Markdown61bb755b19803c1a037fc4562e6030ad1303f194ce79d9013831acb2cfdae730
PDF
Publication paged7ae28525c75a168e954bbd27726106ddd5e7f6e7e7ac7ae77fc85116ce37176
Manifestce0904e21288662d9d86fefd65657af2c4d92d0bfb8478fb0ca154240a22a2b7

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
SignaturegzCv0qP1pExQOMqkjyRVgKsgFBtK52SiqwlgSxqTwAVb0M/xTY3UrLqDJ72H8YR7XPRjDie6DD2LRgBYCWXoBg==
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

2026-09-17T10:52:47.514419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055558
observed d7ae28525c75a168e954bbd27726106d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.498161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055558/manifest.json
observed ce0904e21288662d9d86fefd65657af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.478326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055558/publication.md
observed 61bb755b19803c1a037fc4562e6030ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.460994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055558/publication.txt
observed 7aceffa9c319bd4b1a4ed2f5b05909a9...
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.