OpenTechnical

OT-2026-000101193

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000101193) never changes.

Identity and time

Publication numberOT-2026-000101193 · never reused
Internal UUID01a0aea3-c378-722c-9219-e0f7ffbaf8d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101193
StatusPUBLIC

Content hashes

Canonical text20c25c7c302560cba562acc8a9bec48fe2af79f5e01f908c46dc9c0eda69ffbf
Markdown7f91cccc82f8d131047b53897a8de2cfba55f2abb84a9bcb1fd21b4499d1cb11
PDF
Publication page7d7db69feebb5fc4ec53e2487e59c6642f50ca5a2332531e791fe31b794b7bf5
Manifestc66bf8eea1f67ee0bc04019e6a4d92ad79f5b5d78bc6cafd26e4a08b7f0114a7

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
SignatureXxrNC34KXwLhxxVsusNKxNJ+HEKenJnzjvLtZRkoVc1OBC/wyoI306YJj4prgIkvrUwEUn/8SEvZT9ITdREEDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:50.489340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101193
observed 7d7db69feebb5fc4ec53e2487e59c664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.471916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101193/manifest.json
observed c66bf8eea1f67ee0bc04019e6a4d92ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.452774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101193/publication.md
observed 7f91cccc82f8d131047b53897a8de2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.434417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101193/publication.txt
observed 20c25c7c302560cba562acc8a9bec48f...
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.