OpenTechnical

OT-2026-000104022

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed 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-2026-000104022) never changes.

Identity and time

Publication numberOT-2026-000104022 · never reused
Internal UUID01a0aea5-341e-7ec9-a93b-07d8fe624267 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104022
StatusPUBLIC

Content hashes

Canonical text6ba4bead8c058f65b175c8b3fe123e3221455db2a9f4956ba3b03374fc0e6b66
Markdowne83af1430d14196cbd54735bb65217889b9f184205f6a29edd5700afdfb6b0c7
PDF
Publication paged1275506673c05ace244e27aed814b7d35354aa60a0a609157bdf9ddde4dc2e1
Manifestb1d12ba1678247a7c5b3199bba5299621d32905eb598b76861c39aa7226f6157

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
SignatureNaS6UK7KNrwwVgixEMus7EIOxe7PdORLzAfKjEr0BQJ5EyijkVa+CK0C6mpbaCXwaAjdt8ZgG8G1fIsLGSigCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:04.944281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104022
observed d1275506673c05ace244e27aed814b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.926457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104022/manifest.json
observed b1d12ba1678247a7c5b3199bba529962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.908112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104022/publication.md
observed e83af1430d14196cbd54735bb6521788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.888593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104022/publication.txt
observed 6ba4bead8c058f65b175c8b3fe123e32...
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.