OpenTechnical

OT-2026-000076247

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000076247) never changes.

Identity and time

Publication numberOT-2026-000076247 · never reused
Internal UUID01a0ae94-6a6f-747b-a4e4-1a9fb97f7dea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076247
StatusPUBLIC

Content hashes

Canonical text523247c0f5250594a73ad7f04761dfdee33f70cee4d1cb87e71e4161f707d543
Markdown6ee7ef1eb9ade3474e1037e98f22181270adc2f7143eb5e7ffd0ba4a048006da
PDF
Publication pageff4e64e273dd969bb3de58db0783cccd7c2a3b5f458eb773b5eb3fe9a7f07c66
Manifestd4acbd46df94e791cf6356c8dd01ae349881bbb9c0fd9db8c54ff511e72f12a7

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
SignatureM+Uq8UPUwlnMHDkdXTmnP6Wc3RxJxcU3WylschwTLUpWAueahRRrhQOD55UgD5SMyPfMExsTCnpt/hJNsKiqCw==
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

2026-09-17T10:11:45.959873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076247
observed ff4e64e273dd969bb3de58db0783cccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:45.740518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076247/manifest.json
observed d4acbd46df94e791cf6356c8dd01ae34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:45.719178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076247/publication.md
observed 6ee7ef1eb9ade3474e1037e98f221812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:45.699179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076247/publication.txt
observed 523247c0f5250594a73ad7f04761dfde...
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.