OpenTechnical

OT-2026-000075871

Publication integrity record

Foam pad vacuum gripper, three zone face, two 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-2026-000075871) never changes.

Identity and time

Publication numberOT-2026-000075871 · never reused
Internal UUID01a0ae94-29ff-755c-9a8f-3ff992e5e455 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075871
StatusPUBLIC

Content hashes

Canonical text505bf51c52aacb17d6ef19a9970f6185c688624d504e6d0360d271661dedb89f
Markdown3222f679bd16a85e4379b55a82ae94820ade35b1fb9d95e9954013f8edcca4b0
PDF
Publication pagef0e38216c6bb9fc5b988c27e87f8fb017ba72f280ee816fb83dccfe6213034d5
Manifest59f537832cd44dd82f23c28b06e7fc2efe6e21b542f243a9aaa8e035daaa20bd

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
SignaturerEXhhj6v9uWwB1P2RYePy+nlBMlxfsbSjDZT01u/sQJgrJZ604VjznbaoSebRuJ2/FaYibrP1vzcNXUk9jnLAg==
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

2026-09-17T10:14:37.788419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075871
observed f0e38216c6bb9fc5b988c27e87f8fb01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.772678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075871/manifest.json
observed 59f537832cd44dd82f23c28b06e7fc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.754384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075871/publication.md
observed 3222f679bd16a85e4379b55a82ae9482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.551589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075871/publication.txt
observed 505bf51c52aacb17d6ef19a9970f6185...
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.