OpenTechnical

OT-2026-000046447

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000046447) never changes.

Identity and time

Publication numberOT-2026-000046447 · never reused
Internal UUID01a0ae7e-57dc-7567-9b73-18d5d525d59b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046447
StatusPUBLIC

Content hashes

Canonical text5a0b47d1b179a33a630e5925c0cd8e153c5241a2e511ee3d47fa82640a6f092a
Markdown539d0b5867faa26f0d454e5e1d9b4341026baa1cdd7e382c38cb063e512136c1
PDF
Publication page740b76c1f375fcf363795b0a3b7eb1f4f6c4880688391f8b3e5dc12c234dc439
Manifestd02cb29005c8c18b654f5963efc96af99b0213f294321302a6fd2b3d6bf7e89e

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
Signature++A57N3pptl1JHhrGMdShTwkkEw5efkfk9XGpoypdSVa28As3f580tkKpx9cHxNJhNpppqelRDPvd5ckWHvfBQ==
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

2026-09-17T11:08:28.105428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046447
observed 740b76c1f375fcf363795b0a3b7eb1f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:28.085537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046447/manifest.json
observed d02cb29005c8c18b654f5963efc96af9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:28.066599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046447/publication.md
observed 539d0b5867faa26f0d454e5e1d9b4341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:28.047534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046447/publication.txt
observed 5a0b47d1b179a33a630e5925c0cd8e15...
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.