OpenTechnical

OT-2026-000090060

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000090060) never changes.

Identity and time

Publication numberOT-2026-000090060 · never reused
Internal UUID01a0ae9c-428e-785a-b251-19ea6961a3fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090060
StatusPUBLIC

Content hashes

Canonical text7e4c5df4c586192aa95a3ac033bea2d60ffbc311405fa2bdacadfda8d911118a
Markdown95822686d06a10ab111df94b2f4d995bfb40198fb82aa894a278c50d220ab9b3
PDF
Publication paged62420f2bf7b25e416649cbf034ad1c1d7d455d2a6068951e07aa154d3f19912
Manifestc915f425c80a901ddf149c9c89a20ef88f9c1814891e6be73a58fd853516afcf

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
Signature3jWtsfCGlHJxQNGUSiq7SkNuSZGYuJ7qs8Y4v+Q06PDe831zgK6PNYfwmvCkBNORPfbrq/jLKiS6bqsTxxUqBg==
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

2026-09-17T09:45:28.282075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090060
observed d62420f2bf7b25e416649cbf034ad1c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.263903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090060/manifest.json
observed c915f425c80a901ddf149c9c89a20ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.246075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090060/publication.md
observed 95822686d06a10ab111df94b2f4d995b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.227919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090060/publication.txt
observed 7e4c5df4c586192aa95a3ac033bea2d6...
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.