OpenTechnical

OT-2026-000091956

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091956) never changes.

Identity and time

Publication numberOT-2026-000091956 · never reused
Internal UUID01a0ae9d-43bb-7d2e-bc4e-a245d9dd8bf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091956
StatusPUBLIC

Content hashes

Canonical textb61c1da55e8ab75648849e7ea274adf5fd4f9beafa69e6b8894c13b630c15bab
Markdown3e4ed7aa229beae692e5ddf44c21f9336a3abc9704d3ab56d31cac2699f45c09
PDF
Publication page2772b564378658eeef280780dce29556416c93132132dd36b0b50259dfff6e39
Manifest2bd9a2711847b2026f44a1735505f6530eb7cab9195da92a5db33a17e468cc77

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
SignaturelPaiAe5OnorrLoPea3WwKtkBeUhmmj8sRBHSmel3tZPmktgz0tAMLLootf2ID/9uHtXcVamIIhrCPuUy0+gkAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:54.432139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091956
observed 2772b564378658eeef280780dce29556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.415373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091956/manifest.json
observed 2bd9a2711847b2026f44a1735505f653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.398647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091956/publication.md
observed 3e4ed7aa229beae692e5ddf44c21f933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.382357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091956/publication.txt
observed b61c1da55e8ab75648849e7ea274adf5...
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.