OpenTechnical

OT-2026-000057100

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000057100) never changes.

Identity and time

Publication numberOT-2026-000057100 · never reused
Internal UUID01a0ae87-d5b8-715b-836d-89f161e61f0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057100
StatusPUBLIC

Content hashes

Canonical textf543d258158c619b2dd8fc4dcdcb7c65178cc422424fe881a31893c964881289
Markdown8ea79edba8fb09fc6b0b4afcd1bd7d9967a933c728b5db6fffcc3934e9793d18
PDF
Publication pagee040c49e828f735d82774b615eeddd4f061ea6baf2b08707decf40e2726f8fc4
Manifest45dd93be7870998e3e0cc30fcbcd22f60dee0c1b6dcb226a30f34336c90631d4

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
Signature3r6k03IMfflDUsaDDxJjPyAOPAr4Ois4CBEujnNmqiOPqbONkRs8ONWh5U+MoRRQrMsCK+AeujZYDElldQBEAw==
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

2026-09-17T10:50:04.099913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057100
observed e040c49e828f735d82774b615eeddd4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.079414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057100/manifest.json
observed 45dd93be7870998e3e0cc30fcbcd22f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.061596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057100/publication.md
observed 8ea79edba8fb09fc6b0b4afcd1bd7d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.041898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057100/publication.txt
observed f543d258158c619b2dd8fc4dcdcb7c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:12.924839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057100
observed e040c49e828f735d82774b615eeddd4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:12.906823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057100/manifest.json
observed 45dd93be7870998e3e0cc30fcbcd22f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:12.890702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057100/publication.md
observed 8ea79edba8fb09fc6b0b4afcd1bd7d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:12.873964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057100/publication.txt
observed f543d258158c619b2dd8fc4dcdcb7c65...
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.