OpenTechnical

OT-2026-000060554

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, vented after 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-2026-000060554) never changes.

Identity and time

Publication numberOT-2026-000060554 · never reused
Internal UUID01a0ae8a-b7cc-7721-b844-4e7c2a7d5b35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060554
StatusPUBLIC

Content hashes

Canonical texte8575ffe933a38bb182ac1448329c201dabc8023b61d2a9b6ada32863f88ab99
Markdownb9c48cd3e4307da5af82876ab1fa241717e2bcf49b3ea673b397f5cba5d86bee
PDF
Publication pagee6d1054f77cc81d5827ebd4f1cedd7cee60e31a1bde006ba81e3f80c43a805ed
Manifestcd35d141499795f27fdf56f73a5c92dd8a6ac11261a08dc668fd3c41ddd06fdc

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
SignatureyP+SIisUM0FI5mP7Oioi1fQ/KIEYLNRlrJ6PInA/LlGhu7fsiwySfdNyQI3qwL+/l3qnApcS/0EPik4LdjwBAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:09.978845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060554
observed e6d1054f77cc81d5827ebd4f1cedd7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:09.961581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060554/manifest.json
observed cd35d141499795f27fdf56f73a5c92dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:09.945258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060554/publication.md
observed b9c48cd3e4307da5af82876ab1fa2417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:09.927075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060554/publication.txt
observed e8575ffe933a38bb182ac1448329c201...
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.