OpenTechnical

OT-2026-000080977

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000080977) never changes.

Identity and time

Publication numberOT-2026-000080977 · never reused
Internal UUID01a0ae96-b975-7b88-ab84-9aa9674fc067 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080977
StatusPUBLIC

Content hashes

Canonical text82c688b19b756a00e8fbe35c41fc66b93dc32faf8126ff5a83cd62647b1baa16
Markdowna8b3255cb8ddd36c35bc1f5da3f80d9a4c2a4c1d8b03a85865f9599e9c09a0ce
PDF
Publication pagea84fd8d0bd7f44e892e04b8d1bdc9a8ff21d38373c6dc738f8acb26b1c85df5c
Manifest1be927c101b5dd26fe895949970544dfd173e4afd82a12af6b5517d4b698a374

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
SignatureUWBIe9KeuByr/nWeSLo5ina1DpMU5cEIHrqH+rmnKwGKjWI486GuulgglDCfVoYVu03y430LIQkCGC24LT0GBw==
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

2026-09-17T10:01:40.622053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080977
observed a84fd8d0bd7f44e892e04b8d1bdc9a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.602238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080977/manifest.json
observed 1be927c101b5dd26fe895949970544df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.582124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080977/publication.md
observed a8b3255cb8ddd36c35bc1f5da3f80d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.547322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080977/publication.txt
observed 82c688b19b756a00e8fbe35c41fc66b9...
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.