OpenTechnical

OT-2026-000070723

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000070723) never changes.

Identity and time

Publication numberOT-2026-000070723 · never reused
Internal UUID01a0ae91-8c2c-702d-9852-ba6a8bdc9407 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070723
StatusPUBLIC

Content hashes

Canonical text587f86993d75b12aa268b1f7f5df0e6a3fdd0135927fdad5d90490d024a49bfd
Markdowncab32607312b1c927a3a112f7ff7f4cb403fd08a1b5fa73abf9f7bbd26513d32
PDF
Publication pageda4cdfae61c4c1e582dba1205723cc4d7ca4eeaa2682deb2831c61ee5cbf3e68
Manifestcbcc8a3500da35b7e8f97c450d070ca42c6f0b869b79b61eebaf31af793d5c5c

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
SignatureTlQ68pgwFkHUghFVWBGyr7G5QpvudD+GT0YzPZhWK9U43r022Ruo/nveMpjRCkNbc2ZPZARh9BozYv4rZ/+zAg==
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

2026-09-17T10:25:25.033240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070723
observed da4cdfae61c4c1e582dba1205723cc4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:25.017363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070723/manifest.json
observed cbcc8a3500da35b7e8f97c450d070ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:25.000652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070723/publication.md
observed cab32607312b1c927a3a112f7ff7f4cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.983524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070723/publication.txt
observed 587f86993d75b12aa268b1f7f5df0e6a...
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.