OpenTechnical

OT-2026-000078347

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000078347) never changes.

Identity and time

Publication numberOT-2026-000078347 · never reused
Internal UUID01a0ae95-7c27-7f6d-b9d1-f8b1dcadea0c · 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-2026-000078347
StatusPUBLIC

Content hashes

Canonical text3520d40809d2e3e266aa5564d4a12904254ab61fdda9b6a9167d8732b00de8d3
Markdown6d6ffee9e05cd9fa3f1c6f8ae4179b78e016a9001c302cb7399ee0228c3c8196
PDF
Publication pagef0a453e31659f4d4d1b62fe17ffd001118e2730bcbeeb4b911e834240b686410
Manifest91d4bc1d717a7e4e4e40d7ce1c247a2c1130a5d4336d4c991ee10a76ddecf93a

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
SignatureDNmiHsuU6pyOAi4R6/Tnpgkh4wYSbmTJ7iWlg7eqTNiTXYidMrff2lGF/tiAGJtzvBxrGP+f0LFhK1w2ZKfABA==
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

2026-09-17T10:06:19.005332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078347
observed f0a453e31659f4d4d1b62fe17ffd0011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.986290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078347/manifest.json
observed 91d4bc1d717a7e4e4e40d7ce1c247a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.965511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078347/publication.md
observed 6d6ffee9e05cd9fa3f1c6f8ae4179b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.945403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078347/publication.txt
observed 3520d40809d2e3e266aa5564d4a12904...
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.