OpenTechnical

OT-2026-000005261

Publication integrity record

Porous face vacuum gripper, two zone face, three outlet manifold, two stage ejector, contact triggered

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-2026-000005261) never changes.

Identity and time

Publication numberOT-2026-000005261 · never reused
Internal UUID01a0a933-21fd-7f89-8815-3833129d62dd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:35.679753Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005261
StatusPUBLIC

Content hashes

Canonical textbcddee1b3d1ba949e0915cb6873275556ee7a67c60c5227cce15f97f4c4ab368
Markdown1050c8af45a84c324f64a0c9378f1260ae0e89ee5066f7df9c4913f9d753265c
PDF
Publication pagea04088975d7f7b4ef6ee7bbcdf4ab18d88a65249921e670c622d50bec35490d5
Manifest35dc3352eee1a40e0b61f0b8e2aab5da1b5b713c9b241a155d81cd5456a65d34

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
SignatureO5+60ZarCoC7S8N5bsnb8AqkWOjarcXNQqs832eEzFY9lqh2wy9MQED7j86MEQCVNKRKb7SVbdjqk9JZP8YcBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:29.449613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005261
observed a04088975d7f7b4ef6ee7bbcdf4ab18d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.434499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005261/manifest.json
observed 35dc3352eee1a40e0b61f0b8e2aab5da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.422346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005261/publication.md
observed 1050c8af45a84c324f64a0c9378f1260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.409158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005261/publication.txt
observed bcddee1b3d1ba949e0915cb687327555...
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.