OpenTechnical

OT-2026-000061975

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000061975) never changes.

Identity and time

Publication numberOT-2026-000061975 · never reused
Internal UUID01a0ae8b-b8ae-734e-9f33-70bd7590a16d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061975
StatusPUBLIC

Content hashes

Canonical text1e0147b99c37ab581a653237e5154f5b8fca61c6238939ad1c71a1635d591279
Markdown86fb558a06477e5a8e9ff33c795c40defdd8cbcb7a96ae24844901478377da24
PDF
Publication page2a338f4da9f01b0ea919935d4edfa2fc8a35fc94717b26e9e61e2ad9d50d967a
Manifest9b6a108762f30c17c74b312f3bc86dbe61e2a6d081e17ee2ad7700ced4054f95

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
SignatureO+svm5d1JNR2G5Vuy2PV2zVt9G0dfGlT79QXjuo/SX0HqVkFIHFDA8iJB8McojhTElYca9lVT7iZWL3XAlkLAg==
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...

Independent retrieval

2026-09-17T10:40:53.737755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061975
observed 2a338f4da9f01b0ea919935d4edfa2fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.716176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061975/manifest.json
observed 9b6a108762f30c17c74b312f3bc86dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.692112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061975/publication.md
observed 86fb558a06477e5a8e9ff33c795c40de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.667142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061975/publication.txt
observed 1e0147b99c37ab581a653237e5154f5b...
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.