OpenTechnical

OT-2026-000007899

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, vented after 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-2026-000007899) never changes.

Identity and time

Publication numberOT-2026-000007899 · never reused
Internal UUID01a0ae6a-908a-77be-adcf-8f042416b832 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007899
StatusPUBLIC

Content hashes

Canonical text0e3753736a381869a641746b0824db84526d4e02f363c509aab1f9b84feabc4b
Markdown305a7887ca36ae4dfeacbb7c7a599336d3576e84069e782a5780a23ab6cd1a01
PDF
Publication page216f526e593aba9084965751facb38a5ac9e6764bd68f056169a1a460b5b7bbe
Manifest6c1f7ad556c51303fecae89bc655e8e67c9403b5bd68910ecdb102507e3d848f

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
SignatureMefZuBRiU23Dq8meeF8aMkq6xsK7y4OK1An25ddNyFdSXYr5WKbAfJkgrmkR2DcyPfveduS343JP+VrBTveEAw==
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

2026-09-17T12:20:21.844136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007899
observed 216f526e593aba9084965751facb38a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.825041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007899/manifest.json
observed 6c1f7ad556c51303fecae89bc655e8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.806913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007899/publication.md
observed 305a7887ca36ae4dfeacbb7c7a599336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.788283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007899/publication.txt
observed 0e3753736a381869a641746b0824db84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.493196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007899
observed 216f526e593aba9084965751facb38a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.474510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007899/manifest.json
observed 6c1f7ad556c51303fecae89bc655e8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.458060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007899/publication.md
observed 305a7887ca36ae4dfeacbb7c7a599336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.436310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007899/publication.txt
observed 0e3753736a381869a641746b0824db84...
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.