OpenTechnical

OT-2026-000085487

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, sustained 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-2026-000085487) never changes.

Identity and time

Publication numberOT-2026-000085487 · never reused
Internal UUID01a0ae99-aaab-7a50-8ae3-a29b6cb865e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085487
StatusPUBLIC

Content hashes

Canonical text4fd07a36b24b393f2be8f25834ba7cd0afca18089aaebf39933546e3c4c117ff
Markdownd1d3eba1edcb8ddd03456dfffcc758da80ca11ad671d814ac41d935d5a7a8758
PDF
Publication page920898a0d6aa4a51571a4cf7616fc51872c8fe525e31b87641ef91536b54eb84
Manifest99edfcefc238b22baca1f7f085f39067f63f78517c0037ca2c8733114796f211

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
SignatureMPu2YC15iRARFvpAjgsX0ekS974ZhXeIDDGMUX/GqK6/jzLOV2s25QN6Pxoi8VJgkUuqHUcuS3ZS9yyWyRpTBw==
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

2026-09-17T09:54:17.138679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085487
observed 920898a0d6aa4a51571a4cf7616fc518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:17.119342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085487/manifest.json
observed 99edfcefc238b22baca1f7f085f39067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:17.100896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085487/publication.md
observed d1d3eba1edcb8ddd03456dfffcc758da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:17.082791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085487/publication.txt
observed 4fd07a36b24b393f2be8f25834ba7cd0...
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.