OpenTechnical

OT-2026-000006523

Publication integrity record

Porous face vacuum gripper, two zone face, three stage ejector, vented after 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-2026-000006523) never changes.

Identity and time

Publication numberOT-2026-000006523 · never reused
Internal UUID01a0a95e-3073-75eb-9a3e-d3fcf932951b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:37.430176Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006523
StatusPUBLIC

Content hashes

Canonical text46124a4dcf17cd38a8ca86d26a7c21d67620c5108e1072e37a246257ead56abf
Markdown743d9d47a19ba508db09be93d9852829db182253ba142c58eedbbe5789954433
PDF
Publication pageaddb0854584cb72aed2aedad49be6851fdc5a7e3749112e9dfb2abdff6750def
Manifest2bd25334f9f58bf8bc298a65ceb7373ec32a7cd3dfceb51bcb6a826816571c81

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
Signatureg0fKvFu4N9tk5cv8/ztzcPwoRwvbJdHrVDrojD9L7oOoyvBgbKE7DAjyN4GesZxPnk+x5WVCim0sSIqk8RZmBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T20:41:50.777957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006523
observed addb0854584cb72aed2aedad49be6851...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:50.653450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006523/manifest.json
observed 2bd25334f9f58bf8bc298a65ceb7373e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:50.472261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006523/publication.md
observed 743d9d47a19ba508db09be93d9852829...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:50.332022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006523/publication.txt
observed 46124a4dcf17cd38a8ca86d26a7c21d6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.468406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006523
observed addb0854584cb72aed2aedad49be6851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.453259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006523/manifest.json
observed 2bd25334f9f58bf8bc298a65ceb7373e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.438152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006523/publication.md
observed 743d9d47a19ba508db09be93d9852829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.424850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006523/publication.txt
observed 46124a4dcf17cd38a8ca86d26a7c21d6...
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.