OpenTechnical

OT-2026-000014449

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000014449) never changes.

Identity and time

Publication numberOT-2026-000014449 · never reused
Internal UUID01a0ae6d-b27b-76c1-a6c2-b502f4323eb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014449
StatusPUBLIC

Content hashes

Canonical textd3f9b0d323d13f133d381179d965d851b4a70a91d0ce132a9c70657fa03a6ad4
Markdowneebed72a56379876acdc27e6498b9e2479db52391e244fbc6a6ee436042bd1e3
PDF
Publication page55f8dfb36c96a5c0d135d19d0f5d8ab0a791260ca152f1d50e9751de8bd5f8db
Manifestfc9c66c66ee37bfb6564a427931ba00c130b579f9745bb4e248baf678ae1d106

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
Signature/I7ZZt4PxerZoG5dlkXrEeEfBujr6I44UhMOgUT+0bQDs4WpX2daLCfBl27BGp1Py7LdT1ZrNmHyHxvIuzBDDw==
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

2026-09-17T12:10:14.843096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014449
observed 55f8dfb36c96a5c0d135d19d0f5d8ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:14.811964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014449/manifest.json
observed fc9c66c66ee37bfb6564a427931ba00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:13.532300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014449/publication.md
observed eebed72a56379876acdc27e6498b9e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:13.506656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014449/publication.txt
observed d3f9b0d323d13f133d381179d965d851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.484374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014449
observed 55f8dfb36c96a5c0d135d19d0f5d8ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.466615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014449/manifest.json
observed fc9c66c66ee37bfb6564a427931ba00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.448644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014449/publication.md
observed eebed72a56379876acdc27e6498b9e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.431110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014449/publication.txt
observed d3f9b0d323d13f133d381179d965d851...
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.