OpenTechnical

OT-2026-000063987

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum 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-2026-000063987) never changes.

Identity and time

Publication numberOT-2026-000063987 · never reused
Internal UUID01a0ae8d-53bc-7a35-8835-81e95b9537b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063987
StatusPUBLIC

Content hashes

Canonical text33287d6d5262ca22ef2ac1cf25f77221f4409ec6c3c6c3b7749989e65c5370e0
Markdownace423995ea7df522d6835e5a2c68227c569c750a166e86c193a382dee339b42
PDF
Publication pagec1d61c91ad4830c958194d32d46539c27815ca81abf6d061a82dabeb8ff3ea75
Manifest6c9181939766cc60b1af5e6125f9dcdd3fddb1113b3e971854d5b116b953d586

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
SignatureepR7FTvu8u0AhLM2Isc1EMt2eq4HGW5Wpj3+5Tix/mdM+XTvXDMGVwn1LWUBDUOP+GRTpdwqQvQ+5zddnyNSDg==
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

2026-09-17T10:37:03.526444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063987
observed c1d61c91ad4830c958194d32d46539c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:03.508747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063987/manifest.json
observed 6c9181939766cc60b1af5e6125f9dcdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:03.486928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063987/publication.md
observed ace423995ea7df522d6835e5a2c68227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:03.469772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063987/publication.txt
observed 33287d6d5262ca22ef2ac1cf25f77221...
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.