OpenTechnical

OT-2026-000070390

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000070390) never changes.

Identity and time

Publication numberOT-2026-000070390 · never reused
Internal UUID01a0ae91-545f-7f2d-91e5-9b4e3122135a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070390
StatusPUBLIC

Content hashes

Canonical textbbe9298d0eda6b87af5af3e5d64529ad02a717eae75aae8666c5be064522c4d5
Markdown9859734e749b77b7641e095e4b47740ebe1a9361dcd06497142eb639d2d8e067
PDF
Publication pagedc14e41e394cd46220c9b87d0f636aa5981e160c4d4329dfe4b1466fc9590483
Manifestdbded79cc0edce022c035056c85267b8c6e5055743b7e9c261ea86ca65dd545b

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
SignatureMcU2dd7sFZPox1GWmxy4+H+SIsl+XZ6HqMmdCeIgEyw82k4zU7ZY0poPRuMklUT0kqRzzARSJtfB4WhI3yQJBA==
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

2026-09-17T10:25:59.103751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070390
observed dc14e41e394cd46220c9b87d0f636aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.086270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070390/manifest.json
observed dbded79cc0edce022c035056c85267b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.068306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070390/publication.md
observed 9859734e749b77b7641e095e4b47740e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.052729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070390/publication.txt
observed bbe9298d0eda6b87af5af3e5d64529ad...
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.