OpenTechnical

OT-2026-000008701

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000008701) never changes.

Identity and time

Publication numberOT-2026-000008701 · never reused
Internal UUID01a0ae6a-e46c-7426-a5c8-72c5544caedf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008701
StatusPUBLIC

Content hashes

Canonical text78671d4a5be644bdc4dcdce7ec157c41f3dff712af72527d8de72132e3a4d648
Markdown9ed14ba7e71333094302471ab6bbcee909af182458405073e39d19dccba5dbf7
PDF
Publication page94e7f8ad9c4152cb3e0de6b21915b45e4d44eea0d80ae909c11ce1bc6629042f
Manifest04fec5c637c181407ac7528764f42a4dfb97903f2b38b7c3454a8540ddbd026a

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
SignaturerzrxCPa4cAPFdY/QXsIOiCdDCKkA/TQ19DkiieYuel/GGen8FJBxCpmMBArGZVcY0ljHc8rhtfr3B87SaUCCDQ==
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

2026-09-17T12:18:46.342283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008701
observed 94e7f8ad9c4152cb3e0de6b21915b45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.319004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008701/manifest.json
observed 04fec5c637c181407ac7528764f42a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.297022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008701/publication.md
observed 9ed14ba7e71333094302471ab6bbcee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.276802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008701/publication.txt
observed 78671d4a5be644bdc4dcdce7ec157c41...
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.