OpenTechnical

OT-2026-000069359

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069359) never changes.

Identity and time

Publication numberOT-2026-000069359 · never reused
Internal UUID01a0ae90-b529-7f83-bcda-6d0bfc7c4222 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069359
StatusPUBLIC

Content hashes

Canonical text5e2128ecafd3beb5a6dce566ac1a97ba7be8d1569f4ac4aca96bd03a3bac2a7c
Markdown821011c55d6904716202ee4c2e4772a4ebd9313ad9e73cb5de2a5ac4913e94ab
PDF
Publication pageb5c926118a31560aa29bebc3a305c770e35ec6bf1c816512d68e8d4cae975aa0
Manifest8d9895366331b71207dd6ffbea17aa6b94e4c03a8ac90a880b803941249a796f

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
Signaturex6eXWKTpfe5Vch1L3zN//VjB5XVHkvKR/OgWtQ9c3QDzYIRRnxwHzBYHPmp1OL0rl8Bykm0kWoUNAtAZ4hfBCQ==
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

2026-09-17T10:30:16.333881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069359
observed b5c926118a31560aa29bebc3a305c770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.309717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069359/manifest.json
observed 8d9895366331b71207dd6ffbea17aa6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.288417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069359/publication.md
observed 821011c55d6904716202ee4c2e4772a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.269926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069359/publication.txt
observed 5e2128ecafd3beb5a6dce566ac1a97ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.167196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069359
observed b5c926118a31560aa29bebc3a305c770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.151162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069359/manifest.json
observed 8d9895366331b71207dd6ffbea17aa6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.133371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069359/publication.md
observed 821011c55d6904716202ee4c2e4772a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.115078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069359/publication.txt
observed 5e2128ecafd3beb5a6dce566ac1a97ba...
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.