OpenTechnical

OT-2026-000078446

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000078446) never changes.

Identity and time

Publication numberOT-2026-000078446 · never reused
Internal UUID01a0ae95-7c28-7fe0-895c-876bd1371d2b · 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-2026-000078446
StatusPUBLIC

Content hashes

Canonical text8d47729f54cde51ea1f94d0725fa90743ec5f77d2aa2285706e4b415129f0bfe
Markdown0b405e95bb16ec4a5f8bc14432be9eea3ddf8a02cdb46c8089502931009e84b1
PDF
Publication pagef4fbe293608006fa3d8c7e0099e7b909f634074efa14ca5771dc10cffa5dbc30
Manifest7c5db1e6d402fde8f0b042e1eff2e59d178206dd5a00eb89c6c10d96023c119b

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
SignatureDhE9y8NJBGCnyj+Z7kPXBDxUX0Qm2jGN5pz2HnaZUU/SXvovlcFfuViwv6EIAWjjbFB5OASUfO36LIyQtRkgDA==
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

2026-09-17T10:06:02.022469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078446
observed f4fbe293608006fa3d8c7e0099e7b909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.004079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078446/manifest.json
observed 7c5db1e6d402fde8f0b042e1eff2e59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.984087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078446/publication.md
observed 0b405e95bb16ec4a5f8bc14432be9eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.947557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078446/publication.txt
observed 8d47729f54cde51ea1f94d0725fa9074...
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.