OpenTechnical

OT-2026-000046167

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000046167) never changes.

Identity and time

Publication numberOT-2026-000046167 · never reused
Internal UUID01a0ae7e-032c-7aa0-88e0-ef68acc57fc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046167
StatusPUBLIC

Content hashes

Canonical texte68ef93203bf656960e7aae663302b7cbb5a09e3f360e192beaf5792b887e632
Markdownaa484ebe132fce1f24e847b59fd5239b617274c7f97a09e9f684f080ae4245e2
PDF
Publication pagee4c3ef791a018f7ea89f3a8f0cf035d1f91b64616a94f4575a7bee055b33a4ba
Manifestdda1f24a787adc78fe2b0f2bd12f014584f7456cb18622767d5ee03ea61760a5

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
SignatureiLalsxhLh6yhnMdAkCr309+zsiIvmbzPLuvShjEhRsz7XaBo+Sge8SVVbqkQEBzXgj4uTIvlSsymmR4JA4poDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:10.215845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046167
observed e4c3ef791a018f7ea89f3a8f0cf035d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:10.196319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046167/manifest.json
observed dda1f24a787adc78fe2b0f2bd12f0145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:10.176197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046167/publication.md
observed aa484ebe132fce1f24e847b59fd5239b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:10.157376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046167/publication.txt
observed e68ef93203bf656960e7aae663302b7c...
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.