OpenTechnical

OT-2026-000042255

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000042255) never changes.

Identity and time

Publication numberOT-2026-000042255 · never reused
Internal UUID01a0ae7a-5d73-71ab-aec7-d57aa2bfe58f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042255
StatusPUBLIC

Content hashes

Canonical textf9722525a55169a1e818d718de445d13acd2116711cd8f49c691a17f34de570d
Markdowndcbe5e1aef4d1f8c24b0373a4fbcaecb45c47d7c47de3cc2d35fea878a125c4e
PDF
Publication page9b5b9aed16af09e5d98b0561ec0a85e54e172c44b6a0ce45dcc18756f041456f
Manifest191cfc1b7d9f63edaea4a13750efe667b2956b95a23687a84835024eab5337f6

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
SignaturedCCckoee2hLuWseB0aMEwdsMtf8SuRAB6qu78xsfh/gZSpG9SG3TDVyQEim/p6M1UvOsYd8rFLwWT8UdnjEHDg==
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

2026-09-17T11:15:56.366035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042255
observed 9b5b9aed16af09e5d98b0561ec0a85e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.347729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042255/manifest.json
observed 191cfc1b7d9f63edaea4a13750efe667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.329575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042255/publication.md
observed dcbe5e1aef4d1f8c24b0373a4fbcaecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.311129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042255/publication.txt
observed f9722525a55169a1e818d718de445d13...
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.