OpenTechnical

OT-2026-000014855

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000014855) never changes.

Identity and time

Publication numberOT-2026-000014855 · never reused
Internal UUID01a0ae6d-d094-7bc7-b404-c56523ed6cfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014855
StatusPUBLIC

Content hashes

Canonical textabcc3654b6351cc154b294ce328ee00a85d34b91f71b911c8c375693c8d7df41
Markdown90800292367e08789b2c3e1d5bf71259bb741a0f6fe1978219c291449737e871
PDF
Publication pageb1d93f2ea0c9447fcb89540cb993c4f6719d8e8d83f323d2791c77b89f5759bd
Manifest6c55177a75eb4a9e12a791a99f8df3863c9fd8bf2755d086dc1688dbed8c029e

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
Signatureelzg359VnNUa/jMLIOXFskeda/4mSBKF2t9Ji9SOpEsOZd5rOYj8neEtA22izlp7zeApYFdmFOzes6FLDA9lCA==
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

2026-09-17T12:06:46.244411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014855
observed b1d93f2ea0c9447fcb89540cb993c4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.227165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014855/manifest.json
observed 6c55177a75eb4a9e12a791a99f8df386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.208856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014855/publication.md
observed 90800292367e08789b2c3e1d5bf71259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.189340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014855/publication.txt
observed abcc3654b6351cc154b294ce328ee00a...
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.