OpenTechnical

OT-2026-000081682

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000081682) never changes.

Identity and time

Publication numberOT-2026-000081682 · never reused
Internal UUID01a0ae97-0f73-7420-aedf-c65c6e3d5314 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081682
StatusPUBLIC

Content hashes

Canonical text2a75c94fb45103e30cbf5d01c956655022ad32d288ee144c20495c2cd1518de0
Markdown3e92ee2bb90b479c6443165c6b484905eae0dd3d9e3035e191c42356abfa3194
PDF
Publication page2ca11be98b5e696ec1f70620e7ad1bc9a1d6c5ff6d99df09bf894845bba6d096
Manifest46742ecf12ac7a4ef609b2bc544b30e1916162484fd062ed99333e41fd571c57

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
Signature0O3q0TGLZB3WDeb4HBy3Yh+c/3ylclfbp3Jyj7ADK49CNvDG3lAewyBJZoxTBA75+7BqrVZ9t3V+snAuyMa9AQ==
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

2026-09-17T09:59:44.722821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081682
observed 2ca11be98b5e696ec1f70620e7ad1bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.703711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081682/manifest.json
observed 46742ecf12ac7a4ef609b2bc544b30e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.685997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081682/publication.md
observed 3e92ee2bb90b479c6443165c6b484905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.667656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081682/publication.txt
observed 2a75c94fb45103e30cbf5d01c9566550...
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.