OpenTechnical

OT-2026-000057612

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000057612) never changes.

Identity and time

Publication numberOT-2026-000057612 · never reused
Internal UUID01a0ae88-2694-7d12-9705-b17e5c3d84c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057612
StatusPUBLIC

Content hashes

Canonical text8c3b3bba8fca47e020c29c75b07823e5a4a8dd6bbc87524bacf48fac18e08348
Markdown25da4a1b42a7a5ce21d0e17cf05778922d717ff7f5e5a53e09be54748d7d289a
PDF
Publication page02d575bf4baa1a6ce493ac89b7edaa6016627a9b5824483566e41d0848c3cf75
Manifestd48b8442d936ea44e46e2e32a8a1917fd038f1a710e68008d60640cbc058aac0

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
SignatureF6oNBhdonX2PC9ar9/SvWQ+TeF+Rz8M8e9EZi/7GXzpTYc43IiIDUd356H9aAT3+DjfcAN2932965/5rfY0wAw==
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

2026-09-17T10:48:10.111331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057612
observed 02d575bf4baa1a6ce493ac89b7edaa60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.092424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057612/manifest.json
observed d48b8442d936ea44e46e2e32a8a1917f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.075354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057612/publication.md
observed 25da4a1b42a7a5ce21d0e17cf0577892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.057629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057612/publication.txt
observed 8c3b3bba8fca47e020c29c75b07823e5...
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.