OpenTechnical

OT-2026-000005724

Publication integrity record

Porous face vacuum gripper, ejector fed, pressure verified, 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-2026-000005724) never changes.

Identity and time

Publication numberOT-2026-000005724 · never reused
Internal UUID01a0a942-b462-7f70-aef7-15bbb2de0241 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:08:36.197302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005724
StatusPUBLIC

Content hashes

Canonical text5696acd094678db29602eb162b83d0422f6c4ab4f2486c2748a6b3d1922e8df7
Markdown0b3b9b731f2df1a0dd9da16ffe2fe8839191c3cd260e537702c2345582d99e85
PDF
Publication pagedc79b573cb358d9705f4a6fda5e8f6e4d7cb3ac47f5c5eaf84ebecdddf1953d3
Manifest19e242e321ff6834d9c131f4879bd55fdd2ae3fc0115bf169f68ddfcdc86f86c

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
SignatureQcs4aqLHQy+lFOEyk2LKE8KcY4AD8he0M3MV0mJDSM8pfxs+Qr2RPYq8bxAFcXdDvDjOGb026DUT+L3E8ULDAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:07.160048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005724
observed dc79b573cb358d9705f4a6fda5e8f6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:07.145808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005724/manifest.json
observed 19e242e321ff6834d9c131f4879bd55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:07.132135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005724/publication.md
observed 0b3b9b731f2df1a0dd9da16ffe2fe883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:06.996740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005724/publication.txt
observed 5696acd094678db29602eb162b83d042...
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.