OpenTechnical

OT-2026-000080278

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000080278) never changes.

Identity and time

Publication numberOT-2026-000080278 · never reused
Internal UUID01a0ae96-7e77-7a5e-9723-89fdc0e22ca6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080278
StatusPUBLIC

Content hashes

Canonical text4b7e519772f6d25fa7e35745a2519c6b270a70cd76cd42025396bdef4fd8229b
Markdown24816eaf21c76d5d183fd16b55faa45147dd54328ac1dbf1273f03f6c49592c9
PDF
Publication pagefa361398c1dd2a5f872dc387069376c1bd7ff35f480ad8b27a6dfabf04e5b60b
Manifest346a718a0d3637cee900828d7561c97a3c178a0574665567f1dced96f8c5c7da

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
SignaturemKqN0B3ZndoUbef2b0vgzRofJIumGOhJ0+Ga/wYo7xBOjmw+P47OKZ97AOwp30z8hDftlbOfKKG0wZy+y/q7AA==
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

2026-09-17T10:02:44.385358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080278
observed fa361398c1dd2a5f872dc387069376c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.367377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080278/manifest.json
observed 346a718a0d3637cee900828d7561c97a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.349052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080278/publication.md
observed 24816eaf21c76d5d183fd16b55faa451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.331124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080278/publication.txt
observed 4b7e519772f6d25fa7e35745a2519c6b...
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.