OpenTechnical

OT-2026-000053997

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000053997) never changes.

Identity and time

Publication numberOT-2026-000053997 · never reused
Internal UUID01a0ae85-b3a7-771f-a705-e878fb8ed532 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053997
StatusPUBLIC

Content hashes

Canonical texte273b073e89c7334b681d5c7be5b3afd2ab047916a86747b89e60b25724dc1b1
Markdown8def2b70b65c135f3680191a6d9c7672cf2aff1b34be8634bb90a646fe4c6f15
PDF
Publication page3214033b7d29efbd7318cdb8f14e4cc7fc30d7733446d7a9c848ea7555e2f11d
Manifest661c414e12bd66ebaac74b05a98d99877599581d9bc8fcd140d185f42151bcb8

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
SignatureEgRw8/09mxUvg/AvqJi8Mq/9rv7F4wXeEQpdpEaHZZfKLFIyvpirgwtgZUSi/pWZBbNHFk5D4YieDXNdAK95Dg==
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

2026-09-17T10:54:19.311664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053997
observed 3214033b7d29efbd7318cdb8f14e4cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.265952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053997/manifest.json
observed 661c414e12bd66ebaac74b05a98d9987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.221227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053997/publication.md
observed 8def2b70b65c135f3680191a6d9c7672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.187037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053997/publication.txt
observed e273b073e89c7334b681d5c7be5b3afd...
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.