OpenTechnical

OT-2026-000014903

Publication integrity record

Three 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-2026-000014903) never changes.

Identity and time

Publication numberOT-2026-000014903 · never reused
Internal UUID01a0ae6d-d095-7da1-a169-a647baa1ecf2 · 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-2026-000014903
StatusPUBLIC

Content hashes

Canonical text3e011ac6eb3c97d98e74254cee6f71cb1530f55bb2e990afbe21c01306ed360d
Markdown53e50ba38dc2429eafcef8e00f40acb020bedd3856de368b91d07d99342106aa
PDF
Publication page9857a3c22d9a96ff12b0701abe216af5779ed72515c70ce70e4d631ed67c74b0
Manifest00975aa9d2342d40563622df27acf7914bf6b7b36341c0ad1dfe6c690bbcac94

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
SignatureymCEUcR4jN8sNevHgAWuloyGEybQDIZh1J9PkSQyXSiOjVmfg2SwYwGgYH/hmQ4iAtFoW3N4MYDZ7ieeJUofBA==
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

2026-09-17T12:06:50.128368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014903
observed 9857a3c22d9a96ff12b0701abe216af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:50.108923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014903/manifest.json
observed 00975aa9d2342d40563622df27acf791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:50.088437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014903/publication.md
observed 53e50ba38dc2429eafcef8e00f40acb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:50.067977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014903/publication.txt
observed 3e011ac6eb3c97d98e74254cee6f71cb...
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.