OpenTechnical

OT-2026-000069145

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000069145) never changes.

Identity and time

Publication numberOT-2026-000069145 · never reused
Internal UUID01a0ae90-6dcf-7863-814a-fc2c3f7f69e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069145
StatusPUBLIC

Content hashes

Canonical text26691787168a2b4b3a44ca5d124e75da485ecc068197d17ca715aa0b095f067a
Markdown8aebdfa7534de507b316ea4ccee8cf8c7c5fbc0c3d363c99d4ea75d5d8aee202
PDF
Publication page82a92887ab42ea79caf3f8407413f302ca16de08583ab05a9151748065ddabae
Manifest770a604ff6a9de4e0fc547f2ab5db3d40f6fd7b352f250ae24f47fdf4a9c30be

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
Signaturehm5HKIWtu2uCueoGvffSTpzCrB1RigzwkBuFJbsOrf5r+sDX/dx6llQwJR2ciwOV/9nQmxNtoddBfD0lyyluAg==
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

2026-09-17T10:29:01.751548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069145
observed 82a92887ab42ea79caf3f8407413f302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.734867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069145/manifest.json
observed 770a604ff6a9de4e0fc547f2ab5db3d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.716247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069145/publication.md
observed 8aebdfa7534de507b316ea4ccee8cf8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.699144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069145/publication.txt
observed 26691787168a2b4b3a44ca5d124e75da...
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.