OpenTechnical

OT-2026-000053671

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000053671) never changes.

Identity and time

Publication numberOT-2026-000053671 · never reused
Internal UUID01a0ae85-0a95-74cb-8e1a-fa5bf7ae786e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053671
StatusPUBLIC

Content hashes

Canonical textdf80c3362b1b02b70125d7e563f6d7ec61a13ad42c017b43bd48106ff098f110
Markdown41baa06a5c2cfc46aea6191c89ca9cd455219a734f70a0f65e6b10003e5916bd
PDF
Publication page22990a920eaf8985971bf1604641efbee5674682cb9cd9bd582031f83a58f721
Manifest46d59508264fe643a58bee1ba62822a68741f767554cd565b87e966fc52822db

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
SignaturefDWhZA911sGv5DnhPtpmIKPfy8qpFailvvPn4qh68KHj4dV0JxZIIB/9KXoj/cHubG0QqGfBHNwb7WUC4YiNDw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:33.887048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053671
observed 22990a920eaf8985971bf1604641efbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.869669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053671/manifest.json
observed 46d59508264fe643a58bee1ba62822a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.849848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053671/publication.md
observed 41baa06a5c2cfc46aea6191c89ca9cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.830356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053671/publication.txt
observed df80c3362b1b02b70125d7e563f6d7ec...
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.