OpenTechnical

OT-2026-000053019

Publication integrity record

Three cup vacuum gripper, three zone face, two 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-2026-000053019) never changes.

Identity and time

Publication numberOT-2026-000053019 · never reused
Internal UUID01a0ae84-a430-70ce-8973-f6c95939638a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053019
StatusPUBLIC

Content hashes

Canonical text3f056c9dc2b5a0cc309a09adc971a250124e784ff2048cc07ea8e30a5e5c2c94
Markdown25cdb24343087bcde1ff8671245a49564390806976da9fc6feba85309a959b77
PDF
Publication page5e9b7aa2b09c508f57af8f392ad3e770ac8a490c8f58a451b60e3a8b098bb8be
Manifestcba46daa1478b1f3a4ca64984c3d78b1ac39bac3cf616c61e2055591894af5d0

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
SignaturezpsGrYmhC0lXvhCgNn/l7VJxFX/rENr1ii6y9MgVOF0XiZ0dxHEY99wjVhudzJEWHN+o0mTflUVZXhVPbimUAw==
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

2026-09-17T10:56:43.212303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053019
observed 5e9b7aa2b09c508f57af8f392ad3e770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.191688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053019/manifest.json
observed cba46daa1478b1f3a4ca64984c3d78b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.172111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053019/publication.md
observed 25cdb24343087bcde1ff8671245a4956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.149445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053019/publication.txt
observed 3f056c9dc2b5a0cc309a09adc971a250...
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.