OpenTechnical

OT-2026-000009773

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, vented after 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-2026-000009773) never changes.

Identity and time

Publication numberOT-2026-000009773 · never reused
Internal UUID01a0ae6b-7565-708d-8a24-930566b2c47d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009773
StatusPUBLIC

Content hashes

Canonical textce3a3d23450fb85eb3cd080564b7108d6150632d7389a90d41f25c04cb870be2
Markdownc59ddd202a9593422ad2c26e9af6bc97933f603e1de0639444eaa016ddeded10
PDF
Publication page41344a382f21a76f4a9e149f2d7a09166523298e39715156fd3154101b39d797
Manifest4b19efc4293d691c58dde53dcd83df626112836ff3efc12c5a72848a2c280b16

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
SignatureESu72kiqI+SgwNTUy6XdktSLMM/mxC/GdXmfUESeq9j1/s6ft41EjfZs3MVTQ35ZVoolQCcaiKelKQAPiP8DDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:17.162958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009773
observed 41344a382f21a76f4a9e149f2d7a0916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.143672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009773/manifest.json
observed 4b19efc4293d691c58dde53dcd83df62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.122617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009773/publication.md
observed c59ddd202a9593422ad2c26e9af6bc97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.103122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009773/publication.txt
observed ce3a3d23450fb85eb3cd080564b7108d...
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.