OpenTechnical

OT-2026-000006917

Publication integrity record

Porous face vacuum gripper, common isolation valve, pump fed, pulsed blow off after set down

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-2026-000006917) never changes.

Identity and time

Publication numberOT-2026-000006917 · never reused
Internal UUID01a0a96c-3e45-7375-8958-ef1b91be6d45 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:53:58.473711Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006917
StatusPUBLIC

Content hashes

Canonical textfd2837de1add33498dd90c006eb9e33a5d6a347c896793de91d0c2ad267a913c
Markdown5b7fcaeda37a94af1dc124da82131cc59b4a4c1bbcad45e700042a4c6f021f7d
PDF
Publication pageb7dba194cd88a011bb4519532a498042a8a3484a17fdff84df9748912312c642
Manifest01e615a1dd46f0d76e00720a20ecda10f01b92800d6a789065299f7356ac22dd

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
Signature+JqpOuCViP33ieXHGQHmGam8qX+dqr8MUwDvJw4mgFSrPoaVyvokxb9t52ttifbvZ0n5m0p1f48TNeGzT8CmCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:22.229546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006917
observed b7dba194cd88a011bb4519532a498042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.217128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006917/manifest.json
observed 01e615a1dd46f0d76e00720a20ecda10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.204732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006917/publication.md
observed 5b7fcaeda37a94af1dc124da82131cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.190848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006917/publication.txt
observed fd2837de1add33498dd90c006eb9e33a...
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.