OpenTechnical

OT-2026-000037633

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000037633) never changes.

Identity and time

Publication numberOT-2026-000037633 · never reused
Internal UUID01a0ae77-b8cf-7258-82d6-ccb4d232a7df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037633
StatusPUBLIC

Content hashes

Canonical text2f20d01cc340ccd933ed9fb6f286f3e845518682d92a64baf229837a15732538
Markdown65c69b9525c7c1e737d5f8d1b3958b9c797feef8ca4d34aa6fb2d35db6443c8f
PDF
Publication pagebafb7a01b80bf0c327b2974eb2fafa80278722b0fd1faa76920fff516555fb71
Manifest351c6a36df6316f88649b5a86026a320b67e88842a7c7da06c36d276e6c871a6

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
SignatureiFo/+5bEdBuBzKN1Le9yVCJ9D0OrR6WDnM8qUXqBOmvhGy+6RYQ27+rcsZpuay7O7SqC9PnlIZ1eLl0P+wIaCQ==
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

2026-09-17T11:24:11.964407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037633
observed bafb7a01b80bf0c327b2974eb2fafa80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.946946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037633/manifest.json
observed 351c6a36df6316f88649b5a86026a320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.928055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037633/publication.md
observed 65c69b9525c7c1e737d5f8d1b3958b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.909268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037633/publication.txt
observed 2f20d01cc340ccd933ed9fb6f286f3e8...
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.