OpenTechnical

OT-2026-000060276

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000060276) never changes.

Identity and time

Publication numberOT-2026-000060276 · never reused
Internal UUID01a0ae8a-5a74-7ad6-9cc0-73112814e8a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060276
StatusPUBLIC

Content hashes

Canonical textd70f67249c393fc4f2fdd88294ef9208c4b01fa097a1de90a4b60fc808eb237d
Markdowndc76f380d175ee0d2ec62147789e480fbbc4d1835a5218d3f1142539e7313417
PDF
Publication page87ac4dc9df0c12fb9142009c81fcf4c844b0e58540e8ce78388732f8b2be5a16
Manifestb1e45441979cff820fecb7253706985f258fd6dcba8c8d0e8021f265330eb80f

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
SignatureJT/nPkLIp9Sn0BoIMN33EFM8KJfMG3BELcPV5L3FDWVhEjKtvv4JAXD6lnrxjjBxb75WpqcKoIGNieMIW6liDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:58.774616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060276
observed 87ac4dc9df0c12fb9142009c81fcf4c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.755999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060276/manifest.json
observed b1e45441979cff820fecb7253706985f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.738159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060276/publication.md
observed dc76f380d175ee0d2ec62147789e480f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.720640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060276/publication.txt
observed d70f67249c393fc4f2fdd88294ef9208...
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.