OpenTechnical

OT-2026-000052603

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000052603) never changes.

Identity and time

Publication numberOT-2026-000052603 · never reused
Internal UUID01a0ae84-573b-767c-b4f3-b193136a2ccc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052603
StatusPUBLIC

Content hashes

Canonical text632c8f54f8f809c03583c4cf5abe4a98b76903247787bcf9d9c31c4523dc39c2
Markdown2d33e55e1079beeb8f110ad8bad34b165cdf9dbd28fb59bcc362cac58225cdf3
PDF
Publication page61efbf167610075789f2855f909b55d37f140231fc2b548f3f8803d614818bd9
Manifest0267ff4fd49527ed1e56ff15c3825eb2a62972e0d004e4f5d983e6d372b56ee8

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
SignatureVb0w3c7QiWuwUIREOOApsGJh87/bpMr2dl5qqNoGyplJHDvgh5RlUxOoAtoqmO+JOM8tKD/tNNnBD/r9296fCw==
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

2026-09-17T10:57:16.277678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052603
observed 61efbf167610075789f2855f909b55d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.259883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052603/manifest.json
observed 0267ff4fd49527ed1e56ff15c3825eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.243705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052603/publication.md
observed 2d33e55e1079beeb8f110ad8bad34b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.225340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052603/publication.txt
observed 632c8f54f8f809c03583c4cf5abe4a98...
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.