OpenTechnical

OT-2026-000084875

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000084875) never changes.

Identity and time

Publication numberOT-2026-000084875 · never reused
Internal UUID01a0ae99-43b4-7a16-84a6-5f6d97baffc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084875
StatusPUBLIC

Content hashes

Canonical text1e8f96662a7546051ae0d3b4b2963e3b5b46ac92c560afce98321410069bf77c
Markdown041fcc2d7beb8b06ba21f7e92094a6f425e76d92365dccdd2946acaa4897592d
PDF
Publication page935d8386b52afc7ba6b66c6d44842a3fd0afa802c41d88faaf11d841195e33b8
Manifest432a4ad651416613eecca312d4751791b157794c252530e15ccf97f3164f75b7

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
SignatureBJx3ANT5txrP7f6XrUlajD7CqMkLA+xceAdwEJ0TVmqmkSTYtwtygEQD82bZcCt/oE+sjrlxfOMZX+LwrzGODw==
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

2026-09-17T09:54:50.860453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084875
observed 935d8386b52afc7ba6b66c6d44842a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.843392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084875/manifest.json
observed 432a4ad651416613eecca312d4751791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.825779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084875/publication.md
observed 041fcc2d7beb8b06ba21f7e92094a6f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.807331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084875/publication.txt
observed 1e8f96662a7546051ae0d3b4b2963e3b...
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.