OpenTechnical

OT-2026-000053843

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000053843) never changes.

Identity and time

Publication numberOT-2026-000053843 · never reused
Internal UUID01a0ae85-735d-7314-8fce-903642fb8fc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053843
StatusPUBLIC

Content hashes

Canonical textd87b833ef4a85d76e89bbf8106f0110ba0a02242950f9ec4ebe98ab5eea451b9
Markdowne30a3c246d5535e91981d80a32506b84443ab7d9feafb3a4024163dd01c127c6
PDF
Publication page2db53d8ca42f41be50d1d9d4f45532a783bebe773cdf79f98daea99b23a93f5b
Manifest379396d54c6337b1dad718ad236cdb7e01788686c90d060325ffba6110786dfe

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
SignatureYtU9cWX2ySqtP5ieuV5Hkb8ukP72Wz49Go1w5lBuXKp5vD0orB/8aqm0Aih6zJH+8KC3Jrf8nIHm7VLypmaaBw==
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

2026-09-17T08:40:35.695235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053843
observed 2db53d8ca42f41be50d1d9d4f45532a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.675871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053843/manifest.json
observed 379396d54c6337b1dad718ad236cdb7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.657416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053843/publication.md
observed e30a3c246d5535e91981d80a32506b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.639225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053843/publication.txt
observed d87b833ef4a85d76e89bbf8106f0110b...
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.