OpenTechnical

OT-2026-000052559

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000052559) never changes.

Identity and time

Publication numberOT-2026-000052559 · never reused
Internal UUID01a0ae84-573b-7f70-99e5-56e5552ce4fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052559
StatusPUBLIC

Content hashes

Canonical text5308074630e4b4aa3f5a1a62954fefc677ac347ffdd6fbf90cf3b589ca7bd62e
Markdownb803b79c4bc2c47d1b7ffd51832c9ed33509a763d58d9615f774c065e36c0339
PDF
Publication page24f5aa4be0abf192542b7a10fbebe32172a45c6ec3af2d6d6d1e1866f66cd660
Manifesteb4330e4d2de3194d123375f68acbe292bd73df36496fa930bc7867954847286

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
SignaturegQk2ojhaBqVVJWF5x6zhRmFpRCxVrYzxI1ifOnGm0bENRyyUCUFt/uj5syUD07jx+PlDuDAi/fR4hHP471GyAw==
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

2026-09-17T10:57:12.930211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052559
observed 24f5aa4be0abf192542b7a10fbebe321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:12.913362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052559/manifest.json
observed eb4330e4d2de3194d123375f68acbe29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:12.895784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052559/publication.md
observed b803b79c4bc2c47d1b7ffd51832c9ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:12.879211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052559/publication.txt
observed 5308074630e4b4aa3f5a1a62954fefc6...
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.