OpenTechnical

OT-2026-000075571

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000075571) never changes.

Identity and time

Publication numberOT-2026-000075571 · never reused
Internal UUID01a0ae94-29fc-7d04-9360-9dfbde2ae465 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075571
StatusPUBLIC

Content hashes

Canonical textf09697e27506a27e7d1233a5efb04d0b71bd2d0a608df484c95dbd9ca036098e
Markdown0ff3936674d5163ffbf8444b76f25b73576529694b7b7c1760ccce184a8ea0f2
PDF
Publication page13d3706d0fe9e2a7895d6c839d913a62ed142d6ce311c5dcd09490f7953e3dd4
Manifest1747d4c9470a469bf4da514ec83cf18eb2fd3e10c77d813bb9cace868b3567cb

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
SignatureLEyFTM8RGbZA78JPJJK170BZi/02WzlOGvpAoIHJe4cLE0kQdKYTa7CIsomFsY48BJXaNGeFiJTuNuS+tU1dCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:10.520437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075571
observed 13d3706d0fe9e2a7895d6c839d913a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:10.049915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075571/manifest.json
observed 1747d4c9470a469bf4da514ec83cf18e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:10.029394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075571/publication.md
observed 0ff3936674d5163ffbf8444b76f25b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:10.010578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075571/publication.txt
observed f09697e27506a27e7d1233a5efb04d0b...
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.