OpenTechnical

OT-2026-000071705

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000071705) never changes.

Identity and time

Publication numberOT-2026-000071705 · never reused
Internal UUID01a0ae92-1e91-7f21-9c58-5263455d7441 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071705
StatusPUBLIC

Content hashes

Canonical texta247a9aac2f764c4703367e4431e92a4d502c7da592ce9a7abf228056519bc43
Markdownd269082ed719ac10bbcf1f12639d95c71d6784247dacf57537b8cb4646c3d4c7
PDF
Publication page94e7e4da5ad09cc49c90ec0a7228342a44bc25a4b05127a9e52c662bf3270fee
Manifest6cc92e06939be6a63b747e009ff0a816a895b9b401ab853b6890158deafb9e2c

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
SignatureR0lAwQnI1QYNB3N1nRK0fxFphH0ILy8K8V9l1Va7Q6TGtmpF5fuT3uiZndbv5LxcVnRaZ5jgtWkHtOPfoDDfBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:46.398812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071705
observed 94e7e4da5ad09cc49c90ec0a7228342a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.371503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071705/manifest.json
observed 6cc92e06939be6a63b747e009ff0a816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.339588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071705/publication.md
observed d269082ed719ac10bbcf1f12639d95c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.311626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071705/publication.txt
observed a247a9aac2f764c4703367e4431e92a4...
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.