OpenTechnical

OT-2026-000053915

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three 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-2026-000053915) never changes.

Identity and time

Publication numberOT-2026-000053915 · never reused
Internal UUID01a0ae85-b3a6-7b07-9573-bca2dabd4e89 · 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-2026-000053915
StatusPUBLIC

Content hashes

Canonical text1ab3f2e855416ef69a38234389c36dfb8e925165b56a3488ff6a3798c7ddecb2
Markdown2431bb0267dacfc0b16d99216cd3f7c7c47143064f04d9606defa998f9b32bcd
PDF
Publication pagebb39efffd2e504db5ea7a3be98feacd5458fbf8d48e5d1dc3a7fdf6c26a90968
Manifestf12de1db9c5da820c10c9388d3c01ce244ed8f9d94195a56b5454559493f893b

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
SignatureFl/B1/PvW6AhPDtMpJAlI04Z6qOtywCKf29+AqCwyOV2aeUxV14FsNeEjV1nQSdkosApmbwdqBghhEpQTc35CQ==
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

2026-09-17T10:54:09.191243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053915
observed bb39efffd2e504db5ea7a3be98feacd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.172621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053915/manifest.json
observed f12de1db9c5da820c10c9388d3c01ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.155474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053915/publication.md
observed 2431bb0267dacfc0b16d99216cd3f7c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.137026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053915/publication.txt
observed 1ab3f2e855416ef69a38234389c36dfb...
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.