OpenTechnical

OT-2026-000074923

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000074923) never changes.

Identity and time

Publication numberOT-2026-000074923 · never reused
Internal UUID01a0ae93-ac2d-7280-93b8-ae09e5041c6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074923
StatusPUBLIC

Content hashes

Canonical text36913e69f8025e86215f7ecdbe806d7bc5a43d154260d42fed30154bd5e2aaf7
Markdown317e7082707827aa6b1ecec6fce2fc26a33858fdfde908c295300933dac56377
PDF
Publication page4425ed85286ae0d213ebc54b45829a108e54e33d3f684acd82e9e196e6326371
Manifest1fb173cc73eb5b305df9d8e4e9900ce12d93a73696df9436c6305e510df323a7

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
SignaturerHHntJrv6meoaW9zYqZQtRb0gddQp1PXWSKuEwzZCWeLAhNMIUsBNie83HoqQCrYmfsHL4oYQjvevLc1u81VCw==
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

2026-09-17T10:18:38.993715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074923
observed 4425ed85286ae0d213ebc54b45829a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.976612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074923/manifest.json
observed 1fb173cc73eb5b305df9d8e4e9900ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.959518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074923/publication.md
observed 317e7082707827aa6b1ecec6fce2fc26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.943600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074923/publication.txt
observed 36913e69f8025e86215f7ecdbe806d7b...
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.