OpenTechnical

OT-2026-000079105

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000079105) never changes.

Identity and time

Publication numberOT-2026-000079105 · never reused
Internal UUID01a0ae95-ccbf-763f-9d1d-e1faf57d3fe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079105
StatusPUBLIC

Content hashes

Canonical text404ddfbe3e550ba14fdb0e770a076261c36512d02341e1a5298f98e68b0c8c8e
Markdowne33b3b8674ec6e076bf9577e3465bc4b095b80e772cab502af9e92e341c22257
PDF
Publication pageb62357dcc0c3afe80ce3abcc69a152aa7705fcd9f5e640eefaad95ad59923f2c
Manifestb0c1372f9b171baadb48a06a4a752ed673d9617def14d10a3404d76c8c10245b

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
SignatureVZRwCVBMGQzDZfOa33rQAgvAQwWzCYXxWMQf8cM0IYiySGVywe+nSHBZyZO4f3mqYXg03wCgU4PxKBGeoJdKBA==
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

2026-09-17T10:05:57.158466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079105
observed b62357dcc0c3afe80ce3abcc69a152aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.140110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079105/manifest.json
observed b0c1372f9b171baadb48a06a4a752ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.119366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079105/publication.md
observed e33b3b8674ec6e076bf9577e3465bc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.101285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079105/publication.txt
observed 404ddfbe3e550ba14fdb0e770a076261...
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.