OpenTechnical

OT-2026-000073981

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000073981) never changes.

Identity and time

Publication numberOT-2026-000073981 · never reused
Internal UUID01a0ae93-2b8f-7784-84ae-868f93115858 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073981
StatusPUBLIC

Content hashes

Canonical text91921b83ca117e3ae3ac0b8cc9b1e546703dc5608bfe724feccec1a3c641687f
Markdowna96c4cec5cde7c50f0dc52e53477acf64fa5178bea0498e8928c6a600ce16195
PDF
Publication paged85d87441708dd0bfc98b8af6cca238655a385c7e4c39ef4ba758d81978819b1
Manifest7faa65f11dee9f640d7e84642b7eb9e313525345801bb4f45874cf5ee57dcdbf

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
SignatureCOOSIsMk9jEsgHTTVq9zyc2YcOb98xT8qM6grK1yIy2i9497VzymZbI3YXVhTJ/lheNQLimYdaqXviSjGlFcBw==
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

2026-09-17T10:20:16.584382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073981
observed d85d87441708dd0bfc98b8af6cca2386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.566713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073981/manifest.json
observed 7faa65f11dee9f640d7e84642b7eb9e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.546815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073981/publication.md
observed a96c4cec5cde7c50f0dc52e53477acf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.526929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073981/publication.txt
observed 91921b83ca117e3ae3ac0b8cc9b1e546...
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.