OpenTechnical

OT-2026-000051671

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000051671) never changes.

Identity and time

Publication numberOT-2026-000051671 · never reused
Internal UUID01a0ae83-7c82-7f2c-ba9d-6b9fb836aaad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051671
StatusPUBLIC

Content hashes

Canonical texta8579686af39d493e97f3f7e6388cdb5f8fb9f309aa5d8ecee8a598042fffbd3
Markdownb50031ba4e08421780428c003d76c027b81e04ccb41aba2024338b32070db63a
PDF
Publication pagec7af2f82aa707e56f3445f7ab3eec33dbcf1c37e9bd665e68a7150fbc4530b06
Manifestd2bf0db5b628e765c4846f3cc109027d1e5d26850a381b60c80cd02aeea6a851

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
Signature2suMj26OIUS97kj+6JSvejGAdmQZKpxaCKLor/EulP6rvxzym6365MlnNKNW3u1NL5ahdhvUb0bpn02dPNUHCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:32.466057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051671
observed c7af2f82aa707e56f3445f7ab3eec33d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.447754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051671/manifest.json
observed d2bf0db5b628e765c4846f3cc109027d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.428678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051671/publication.md
observed b50031ba4e08421780428c003d76c027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.412759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051671/publication.txt
observed a8579686af39d493e97f3f7e6388cdb5...
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.