OpenTechnical

OT-2026-000070103

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000070103) never changes.

Identity and time

Publication numberOT-2026-000070103 · never reused
Internal UUID01a0ae91-1861-7d5f-ad6c-b5a2e5dc9f39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070103
StatusPUBLIC

Content hashes

Canonical textc8d0e0eae28e4b4aaa4527aa8ab81d009144fa7c81b7307fcc162fa3d1cbb81a
Markdown70650ebce66be49b4e322e21d1f9273030404c972774321960064b61b96acdca
PDF
Publication pagea11c73c3aac431d690ff211fabb36bf8ba0373bd81ddb197aab8fc89780fdc4c
Manifestb996d3270d40fe357d22d8ae6c871e6d81ad6dd3c942f307868c957bf42d744a

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
Signature4zkysxyonfKCEw1zdCSS0QydXmpnRlcSlQ4C6mq8So5ZEfHsIFNntS0JqgYntM79UjUoynU7Mkewc6k6rep6CA==
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

2026-09-17T10:27:04.453116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070103
observed a11c73c3aac431d690ff211fabb36bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.429299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070103/manifest.json
observed b996d3270d40fe357d22d8ae6c871e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.411024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070103/publication.md
observed 70650ebce66be49b4e322e21d1f92730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.392174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070103/publication.txt
observed c8d0e0eae28e4b4aaa4527aa8ab81d00...
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.