OpenTechnical

OT-2026-000077651

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000077651) never changes.

Identity and time

Publication numberOT-2026-000077651 · never reused
Internal UUID01a0ae95-2ecf-7505-b692-a615ebe25fba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077651
StatusPUBLIC

Content hashes

Canonical text47b13224ce0a4537772ebb8a9aafef053bb842246330511fc661c41e5838cb76
Markdown4817fb51f27f260981acc5d58913b99ad67207d942e3335f9c5c6b23b3b2ec27
PDF
Publication page7cb5601908b5f8a9b07c1be00fec544bc1d109d1b1aabc762ae1c0f8cfc56f7a
Manifest39509e890c9d78bec9f3b4aeb77402902b0cd28944a1193132b765e184e3d3fd

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
SignatureNijP7fZ5PXvK+6cMfHcya23FESCHqSEgt1EVtvcqeK7X6zQMG8RPzHASFxAQwUhRsaICNxRSoj9dn72jnVfLCg==
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

2026-09-17T10:07:13.082037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077651
observed 7cb5601908b5f8a9b07c1be00fec544b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.063178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077651/manifest.json
observed 39509e890c9d78bec9f3b4aeb7740290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.043137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077651/publication.md
observed 4817fb51f27f260981acc5d58913b99a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.021857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077651/publication.txt
observed 47b13224ce0a4537772ebb8a9aafef05...
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.