OpenTechnical

OT-2026-000064899

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000064899) never changes.

Identity and time

Publication numberOT-2026-000064899 · never reused
Internal UUID01a0ae8d-debd-7e2e-935a-743a7db28ce3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064899
StatusPUBLIC

Content hashes

Canonical text2a1ae08b644b010129dbc346f36cf4698e5666f3a890e2eb15d5d870c115fc6e
Markdown1663baa7ce849135064d62dd267380ead47b9ea7863f1bf40896ea476327424e
PDF
Publication page1b5933f8e42e0415efaafc28fada78c4e73d2f79a17e4c9b1a12936902443748
Manifestc94ce3dd48f21fc2eba0e7ebcf13ff27e35f2c0b63eff28ec3c108a5c202aadb

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
Signaturel5bw4nFwSrFZzuGm1NBE0Zgp6ez/J59rMDUzXTmVQjXF2xft33/dyNzMjCekf/Ws4UDCZI/7+HfhgzTCHMDwDQ==
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

2026-09-17T10:35:49.715537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064899
observed 1b5933f8e42e0415efaafc28fada78c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.698688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064899/manifest.json
observed c94ce3dd48f21fc2eba0e7ebcf13ff27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.680076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064899/publication.md
observed 1663baa7ce849135064d62dd267380ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.661808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064899/publication.txt
observed 2a1ae08b644b010129dbc346f36cf469...
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.