OpenTechnical

OT-2026-000072131

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line 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-2026-000072131) never changes.

Identity and time

Publication numberOT-2026-000072131 · never reused
Internal UUID01a0ae92-47c1-7697-80ad-feacb2588f2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072131
StatusPUBLIC

Content hashes

Canonical text2ecf6f7442e86b7fb8d7fd88418982432cbf02fe00e5cc60d052ba56319f3e67
Markdown1fcff893e8ecb4fee30e88856972ce46645b73f9215cd5130d6b0ee681a5e930
PDF
Publication page8a189c1165f2fe6c1033fee2c57683e3e1b17e591000c2d7bcf0c5ee4f6d6626
Manifest3cca7529acd64b746ecb6936fd864cdcf27debfb0ed2e0acfc01a49002909156

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
Signature3yWKrXAits7Q2/DfCvoHYObPKCjEI8IwAVIwNOjnxw/VFJWOGW+qoO3f8SNTzEI9h4lILPtIBsXa6JvPra9cDw==
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

2026-09-17T10:23:13.382127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072131
observed 8a189c1165f2fe6c1033fee2c57683e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.366414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072131/manifest.json
observed 3cca7529acd64b746ecb6936fd864cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.348972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072131/publication.md
observed 1fcff893e8ecb4fee30e88856972ce46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.331203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072131/publication.txt
observed 2ecf6f7442e86b7fb8d7fd8841898243...
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.