OpenTechnical

OT-2026-000013069

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000013069) never changes.

Identity and time

Publication numberOT-2026-000013069 · never reused
Internal UUID01a0ae6d-5565-72d1-a7b0-5fe0d2d9c502 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013069
StatusPUBLIC

Content hashes

Canonical text443591f7161f0c0bd74b8a90dfd178044a48c71e6e4866123db7ec9beba422d9
Markdown334fb1feef396eb17601b8f12c4af421691ac9d6fda96b0f8539ecfd9bf2f92c
PDF
Publication page2cda9d52b4943efa289fe241f608e6bce1035cb5b5b303b5e38fca87ec8a41ec
Manifestb4fc57d78c8f085497ec13a22c1709f2468935db2d5abe1824c10004c12b7fe7

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
Signature1dVUUwmfyfC4X1m4sMzUJothTTV0aeYOXXWM3Fl9rfzXA0aq9uJZWdcwiYanxr158bfBeUwcFQ1yO6aW+GmZDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:54.618847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013069
observed 2cda9d52b4943efa289fe241f608e6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:54.598017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013069/manifest.json
observed b4fc57d78c8f085497ec13a22c1709f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:54.579256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013069/publication.md
observed 334fb1feef396eb17601b8f12c4af421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:54.558439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013069/publication.txt
observed 443591f7161f0c0bd74b8a90dfd17804...
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.