OpenTechnical

OT-2026-000052295

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000052295) never changes.

Identity and time

Publication numberOT-2026-000052295 · never reused
Internal UUID01a0ae83-e791-70df-b241-89d1a2ae5b98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052295
StatusPUBLIC

Content hashes

Canonical text76e2bb6c47e7dd6c92cbc4b0a930d64a11da034ba53d85ac4a7d30113aed561f
Markdown080e21ca3efebef0b5afdd15e53da869698594c47e278b517ee69021483d49f2
PDF
Publication page843ff2c396733955d2232a548d83f00277afc110a5cbe9e9604ad453a99516a0
Manifeste854686d51ee833029a9a9874e0ce5fec590553988447de7dacbe506cacc749f

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
Signaturez7DrBooXFiV9qT8zkETu7J5U78YR4lZaU6VGj53XoSuoxMdwNtAyvCc42HPuo3atXIi2aGYnBaeQ2V5Ac85KDw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:58.590431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052295
observed 843ff2c396733955d2232a548d83f002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:58.572186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052295/manifest.json
observed e854686d51ee833029a9a9874e0ce5fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:58.553729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052295/publication.md
observed 080e21ca3efebef0b5afdd15e53da869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:58.533837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052295/publication.txt
observed 76e2bb6c47e7dd6c92cbc4b0a930d64a...
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.