OpenTechnical

OT-2026-000037964

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000037964) never changes.

Identity and time

Publication numberOT-2026-000037964 · never reused
Internal UUID01a0ae77-f88a-75b7-9297-9f8d67e1c658 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037964
StatusPUBLIC

Content hashes

Canonical text6d302283614e77798eb6f353f31ef7cfdf6bb293017bdd5fb4a58ea97239046c
Markdown5d20d55fe25dec3d7bbacd9dd1d3c500593d369e4825431a4284b4ce4bbdc8f5
PDF
Publication pagefc627b3536e8d90a84b959474a59e73bef665da647b9c1044d76965e9eb17005
Manifestfd340a7493119f979fab243bdd90208d49fc09be23e89da9083840951bdf8d26

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
SignatureG0jWvAq4c8iY2O+8DfjFhrKo8kKo1499OxXf9GCzW+oOpbmn15Jss2mK1LdDc8/Wp3DmMX2SD9ln74u85f/LBg==
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

2026-09-17T11:23:15.286853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037964
observed fc627b3536e8d90a84b959474a59e73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.269855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037964/manifest.json
observed fd340a7493119f979fab243bdd90208d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.251089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037964/publication.md
observed 5d20d55fe25dec3d7bbacd9dd1d3c500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.232932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037964/publication.txt
observed 6d302283614e77798eb6f353f31ef7cf...
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.