OpenTechnical

OT-2026-000078579

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000078579) never changes.

Identity and time

Publication numberOT-2026-000078579 · never reused
Internal UUID01a0ae95-7c29-7692-84b1-655eb2aece57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078579
StatusPUBLIC

Content hashes

Canonical textdfeaedd59225e7f7963865cc90df98debabca0ee130f257057211d70dd5064f4
Markdowne5d4d030a355be7273d15d309a349cf0c4a0366f1c3f8285c004183a0fcee997
PDF
Publication page180111e751c9148f080af0230b0a35d56857f83832bc00bf240b08ec5972b0b1
Manifest73dcf68fd0c26d6595e0e0eb030d5ca8562509eb70784f0e50157c7d3920ad19

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
SignaturekinlnGsoq0so68hX3G+mJy8f7aPPl3VySY9UZmXcb1naY44vlXoHQKR/wu3YUkuLTkCtsDIOuZaKzSjEiReiAg==
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

2026-09-17T10:06:36.369194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078579
observed 180111e751c9148f080af0230b0a35d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.351768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078579/manifest.json
observed 73dcf68fd0c26d6595e0e0eb030d5ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.333514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078579/publication.md
observed e5d4d030a355be7273d15d309a349cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.309325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078579/publication.txt
observed dfeaedd59225e7f7963865cc90df98de...
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.