OpenTechnical

OT-2026-000080126

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000080126) never changes.

Identity and time

Publication numberOT-2026-000080126 · never reused
Internal UUID01a0ae96-4378-7686-b5a6-d86d7f16a2c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080126
StatusPUBLIC

Content hashes

Canonical text79f63663cba3d4ce094c76a94989079dfb822f916b3ba636a134bf1516fa7d7b
Markdown09851a594a8786b74f7080646a8461a1b71ba9b5d7af7b79fbb35150de824047
PDF
Publication pageffd4f545451b1e50925fabda94cac65c3beae37d4674cf7553063fd3adb9a7c6
Manifeste6860181406090265f50bd1e3efa696ad08c8f55f6312be203d0099ad7877657

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
Signaturep0KtH8fCRi93HiD98EbezQTAMwRKhoBGMe6kmIPO47UKDpeKvfZiupXeJaIs2uP+llMyOQSKxkwJWvGJVhnGDw==
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

2026-09-17T10:04:04.390128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080126
observed ffd4f545451b1e50925fabda94cac65c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.373758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080126/manifest.json
observed e6860181406090265f50bd1e3efa696a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.357126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080126/publication.md
observed 09851a594a8786b74f7080646a8461a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.338467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080126/publication.txt
observed 79f63663cba3d4ce094c76a94989079d...
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.