OpenTechnical

OT-2026-000053626

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000053626) never changes.

Identity and time

Publication numberOT-2026-000053626 · never reused
Internal UUID01a0ae85-0a95-7a3c-87a6-2eefd5c74a7d · 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-2026-000053626
StatusPUBLIC

Content hashes

Canonical textea509ff995a6ecd3428b53c0c07578540d60e0c6cb36624a15102fb06ca590f2
Markdownf673e9d8b6f1a4675705f1e3b3cf973fcd1f6136c386c3c32ecc63d9fa60b519
PDF
Publication page5eac67037f47582e42a1a2cf1931fbfcdc0ffe935fc3b4eadf5638600b929841
Manifestf802f0cb9934f3e14031b71f5fc0fba93591894ce0a4c18f8717c9511e663778

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
Signature7M6gZBf6dgRfrsgKXjUtFciGaFMfqSAhdU34cn06SfN/6nQjivLs1P06LGEgnUkmmirsPWdu8Yk3LlusX3mvDw==
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

2026-09-17T10:55:30.370293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053626
observed 5eac67037f47582e42a1a2cf1931fbfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.346551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053626/manifest.json
observed f802f0cb9934f3e14031b71f5fc0fba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.328173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053626/publication.md
observed f673e9d8b6f1a4675705f1e3b3cf973f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.305871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053626/publication.txt
observed ea509ff995a6ecd3428b53c0c0757854...
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.