OpenTechnical

OT-2026-000080858

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000080858) never changes.

Identity and time

Publication numberOT-2026-000080858 · never reused
Internal UUID01a0ae96-b974-715a-9b08-8d0de4ad9f7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080858
StatusPUBLIC

Content hashes

Canonical text384571392b1adb524a19bcaf6bf234c11895771716b2b42b417e85e93e5b819e
Markdown7abba384ac00dac8fa88d4e5ceb8292d5bc6cba8cb8cbb67d4ae54b3536d62cd
PDF
Publication page65f3e967874b0fb27f1869048eecc4a065a347349daddecc8f76f11f53afd8fb
Manifest13ee0d45755c7342b03cd126213380af6558528fb04e08cecad4a23159043cd9

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
SignatureIcFWMUgOqSOhlGuzQyEFNjhbYGQg+0Cr3G6vOc+xjdkGO+ylJok9XXAY88wWIQt2/2KoY6BCqir3sZsz4KXHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:03.130119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080858
observed 65f3e967874b0fb27f1869048eecc4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.110704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080858/manifest.json
observed 13ee0d45755c7342b03cd126213380af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.092059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080858/publication.md
observed 7abba384ac00dac8fa88d4e5ceb8292d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.073156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080858/publication.txt
observed 384571392b1adb524a19bcaf6bf234c1...
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.