OpenTechnical

OT-2026-000053331

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053331) never changes.

Identity and time

Publication numberOT-2026-000053331 · never reused
Internal UUID01a0ae85-0a15-75b0-8a68-6bc67a5d0125 · 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-2026-000053331
StatusPUBLIC

Content hashes

Canonical text26cb3513ceef217d9b35e92710b4bfd5772f2cff28815a7668f1b331d1a3660b
Markdownd760e1e605f6959aaa6a8341768274a31764e6f0d384819441025cfd4df49a73
PDF
Publication page770176f83b8bb7a03d98dc489d0016156d30e9bba1feef0d34bd531bc2ea7cc7
Manifest5c4334bebb6476dbb89d20f93af305257673c8ba766607e3b83d772fe6205039

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
SignaturegEJ6sX5ihEjqGQx1RkItpgY6s3KoHSPpo2zBTG+fC2QaL3m2Cp8LMSKHuqUz5Wcj1SNwRHWSFMY2ztlLV3FQCg==
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

2026-09-17T10:55:02.063959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053331
observed 770176f83b8bb7a03d98dc489d001615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.041702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053331/manifest.json
observed 5c4334bebb6476dbb89d20f93af30525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.021157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053331/publication.md
observed d760e1e605f6959aaa6a8341768274a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.000409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053331/publication.txt
observed 26cb3513ceef217d9b35e92710b4bfd5...
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.