OpenTechnical

OT-2026-000018868

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000018868) never changes.

Identity and time

Publication numberOT-2026-000018868 · never reused
Internal UUID01a0ae6e-d522-7a22-9021-8295587210a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018868
StatusPUBLIC

Content hashes

Canonical textd70dd6f0b4c1fa21c4919cc6c6295fb4d3a035f3806cacc54a51678bcb09e867
Markdownf5959909d401fe16b5a1d69dfe2dc72f5422969c3240f4b036d6f4994841903f
PDF
Publication pagee7554cde71fd256254ae45c31bb47eb43cf07a6a53565e451c8fff038c176f74
Manifestab9d589a3e4ae1236ad48a5b68f9658d25a748b786f7c174f2ecd4f7004e6f6f

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
SignaturenSGaug69sv9tbcJOObRBn92ACQwklIZY6iQICM5/fdNwlTTTvhmnA+n8jhdxmXItyIVxvuO4EeqKptmqDYVxCg==
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

2026-09-17T11:59:30.922611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018868
observed e7554cde71fd256254ae45c31bb47eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.907125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018868/manifest.json
observed ab9d589a3e4ae1236ad48a5b68f9658d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.889480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018868/publication.md
observed f5959909d401fe16b5a1d69dfe2dc72f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.870688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018868/publication.txt
observed d70dd6f0b4c1fa21c4919cc6c6295fb4...
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.