OpenTechnical

OT-2026-000078583

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-2026-000078583) never changes.

Identity and time

Publication numberOT-2026-000078583 · never reused
Internal UUID01a0ae95-7c29-798a-a4c8-497c11198fac · 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-2026-000078583
StatusPUBLIC

Content hashes

Canonical textdcb72ec3a8d521a77b8862b873e4555c919d103c6f6745797dc061731311a04d
Markdown6912021dcdab3c3a2dc3880e8427b439a9ecc56bd3f694d18e94cc0f86dc1f2f
PDF
Publication page5d0648b05b84f8595a481871a273216a9bc5bf389c2fffb712b697eae6bdfb0c
Manifesta95d028b6702cad3322041911eb8f25623fd6c34e0bc8517840743b32cb5111e

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
Signaturet0nYw7xPkUIIRw4KNqQ0HQOV0Ubv2mZ2+P8bcc4i6MYb3ir4R6Etlz6YGl9eghTB7DFzCirlw+sgtUQz2HlxCA==
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

2026-09-17T10:06:36.612112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078583
observed 5d0648b05b84f8595a481871a273216a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.592269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078583/manifest.json
observed a95d028b6702cad3322041911eb8f256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.573895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078583/publication.md
observed 6912021dcdab3c3a2dc3880e8427b439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.557854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078583/publication.txt
observed dcb72ec3a8d521a77b8862b873e4555c...
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.