OpenTechnical

OT-2026-000057682

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057682) never changes.

Identity and time

Publication numberOT-2026-000057682 · never reused
Internal UUID01a0ae88-2695-7f2f-8efb-9fda29658721 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057682
StatusPUBLIC

Content hashes

Canonical text6c6596d4cfbb85433dc29b6907133e4fcbf9444138267af46d617de2f57f4258
Markdown932fb6a140a03cad006fc2c77abd09c2a7fe4dbd8f154f34814e107c300403f9
PDF
Publication page5cb4f9f54e566da6b8ca887b21e9c589e130b28857227ca58c4193a185b754f1
Manifest6c766bfcde64b229adadf79c4bffbffeceb424313fb851049ab66e2a8285d5ce

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
SignatureLqs+tD5TxHBdgotgMXHL2OzBrF4fop8qjoY0vJfTpBZHmig2l7Inm9zB5b1DU785OitRYBmv+SlEO/9dQ3TOAg==
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

2026-09-17T10:48:20.468616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057682
observed 5cb4f9f54e566da6b8ca887b21e9c589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.449989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057682/manifest.json
observed 6c766bfcde64b229adadf79c4bffbffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.431388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057682/publication.md
observed 932fb6a140a03cad006fc2c77abd09c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.412014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057682/publication.txt
observed 6c6596d4cfbb85433dc29b6907133e4f...
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.