OpenTechnical

OT-2026-000076176

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000076176) never changes.

Identity and time

Publication numberOT-2026-000076176 · never reused
Internal UUID01a0ae94-6a6f-743d-8005-84ed37b43e0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076176
StatusPUBLIC

Content hashes

Canonical text7ba9b781d3cbd75fdb7d9d2d6ade88deee293597f3f1c1ff7e123c22736bc57c
Markdowne0ba22c828af91e1ebaa5ddcc3764ded82eaddc9aabc19ef38ea4aefc9f39898
PDF
Publication page9119ff2019de697524f964030b1bf13bcfa5e32605ad7daf444884321f26e997
Manifest41f51984d9f989cdb196342db8287cacc04088b90a78237673035a92e17301af

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
SignatureWIjUfI8MACL/D3Q+yHaL3aX3fYES7Be63gRRTiOgixOZfHBmnbRJp0qbEcfBxT80f4NzHia+uUZ/cExm98tYDg==
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

2026-09-17T10:11:26.968070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076176
observed 9119ff2019de697524f964030b1bf13b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:26.944973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076176/manifest.json
observed 41f51984d9f989cdb196342db8287cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:26.804848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076176/publication.md
observed e0ba22c828af91e1ebaa5ddcc3764ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:26.786139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076176/publication.txt
observed 7ba9b781d3cbd75fdb7d9d2d6ade88de...
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.