OpenTechnical

OT-2026-000054100

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000054100) never changes.

Identity and time

Publication numberOT-2026-000054100 · never reused
Internal UUID01a0ae85-b3a8-70f3-8ca2-dcf35ac33dbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054100
StatusPUBLIC

Content hashes

Canonical text6ce5d99d800ba82626c30a087385cbbf8c66cc06428dea6913cfc43dff5b254c
Markdown0f9fe728180820d629e8d6858f1ade016cf36c0f03ebebeeb1d4aeaed1b4888c
PDF
Publication pagece49cd8adf450f616b757d9d8aab1d1d82be26fc7b6f007ecedd5f840c0e188a
Manifesta9d71b566dca70d36cae7963db7ab30afed06035abb95196f8c26ff52a8ed585

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
SignaturefVffeHIhnGOtJIO2WvBbsa0H4ZcZAAjJ/hcxhbDDRpwUUyf1q++scWf37mSZYUDlvY6/cUohj5Ogapn34iPXDw==
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

2026-09-17T10:54:29.476992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054100
observed ce49cd8adf450f616b757d9d8aab1d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.458933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054100/manifest.json
observed a9d71b566dca70d36cae7963db7ab30a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.441959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054100/publication.md
observed 0f9fe728180820d629e8d6858f1ade01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.423406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054100/publication.txt
observed 6ce5d99d800ba82626c30a087385cbbf...
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.