OpenTechnical

OT-2026-000006267

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, pressure verified, vented after set down, closed cell

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-2026-000006267) never changes.

Identity and time

Publication numberOT-2026-000006267 · never reused
Internal UUID01a0a954-f5f7-702c-9261-00b390f47f4e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:28:32.634080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006267
StatusPUBLIC

Content hashes

Canonical text6d375272a577860e8b148f1c17e2a518ea1c58b65e64216f04c763830ae46b92
Markdown88a1d584f887ac955314a1897be0e8c20896d2ca01dbb1e2472933bf2d7616dc
PDF
Publication pagee08713083fb3e98a6220c1bc31d9d01c4506263b1a74f5a0212d90d611c6612b
Manifesta6e60a595f4086a582966719df455a7538266cf3f87176c8a110a01fc5c6f71c

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
SignatureymR1+B2A4Ens9x2kYvvyn5cVpTQ7/qPQzQMPVF/sfWlemGjgyfhFz6IfTHyuSEOpQ7wRNkBDTZc+lBdy+NgLCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:07.897885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006267
observed e08713083fb3e98a6220c1bc31d9d01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:07.883762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006267/manifest.json
observed a6e60a595f4086a582966719df455a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:07.743436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006267/publication.md
observed 88a1d584f887ac955314a1897be0e8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:07.728634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006267/publication.txt
observed 6d375272a577860e8b148f1c17e2a518...
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.