OpenTechnical

OT-2026-000005071

Publication integrity record

Porous face vacuum gripper, six outlet manifold, ejector fed, pressure verified

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-2026-000005071) never changes.

Identity and time

Publication numberOT-2026-000005071 · never reused
Internal UUID01a0a92c-ee4b-744d-936a-de93892af4cf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:49.229972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005071
StatusPUBLIC

Content hashes

Canonical textbedcd04a8b4f45dd8d17e3143f593c3cd27d0acf2ff73d1e05b45185206c80ca
Markdownff401cefb48ac6b5ed58bacd28bf03fd7c36aa19c01c11f94723d29eabc04a12
PDF
Publication page84fcd311bf17b75c90e2b9ef4278d0c9b6c46c7fe76be9b81d4120da5f007357
Manifest3a2cf997ccba4ac86d0c77cc80d489a3aaeae1e1f456a6acbb825636bb460fcb

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
SignatureIuJG9J3XfGwatK86F+8bV8hGYoI/RM/ySbZ606e29GSFGZkLPUSI4jPjxh8YWi3KE5ROWZt2GeETrBa5HCe2Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:18.685960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005071
observed 84fcd311bf17b75c90e2b9ef4278d0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.671853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005071/manifest.json
observed 3a2cf997ccba4ac86d0c77cc80d489a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.652672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005071/publication.md
observed ff401cefb48ac6b5ed58bacd28bf03fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.637464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005071/publication.txt
observed bedcd04a8b4f45dd8d17e3143f593c3c...
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.