OpenTechnical

OT-2026-000079960

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000079960) never changes.

Identity and time

Publication numberOT-2026-000079960 · never reused
Internal UUID01a0ae96-4377-7ffa-a831-cefbd2f501cb · 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-2026-000079960
StatusPUBLIC

Content hashes

Canonical text4df6ef93a2cee45e0880f69816276139ec09b77e796199bf983c0cd7f330b562
Markdown9a581b348e8dcf392e71dd19c870d0518d46bd6e8dba8ba01d3152698aa13758
PDF
Publication page58cecaa1aabcebc66fcb431ad98feb5cbece1c4041de542ae50c5b1978a3c08b
Manifest8dc2d7c45c768324557e295126e3f8a398a5eff344130c83c41d0541276cf56a

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
SignatureC9AMtDU9wtDG1Nt2EsJ+FEjfmsfxCz3b2oeXU5yNRUjDiQPciO135f5f1/5gR2t+uCpmtOuBOdNgeTYVkNZ/Dw==
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

2026-09-17T10:03:52.298870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079960
observed 58cecaa1aabcebc66fcb431ad98feb5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.279686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079960/manifest.json
observed 8dc2d7c45c768324557e295126e3f8a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.260148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079960/publication.md
observed 9a581b348e8dcf392e71dd19c870d051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.240014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079960/publication.txt
observed 4df6ef93a2cee45e0880f69816276139...
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.