OpenTechnical

OT-2026-000005738

Publication integrity record

Porous face vacuum gripper, two outlet manifold, three stage ejector, pressure verified, 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-2026-000005738) never changes.

Identity and time

Publication numberOT-2026-000005738 · never reused
Internal UUID01a0a943-2c47-7149-bab4-c58825f21540 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:06.889871Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005738
StatusPUBLIC

Content hashes

Canonical text363bfc04e32134c06443d4f2d4e9812d609890ab7e84d7870aa90133db1d519e
Markdown4a4ac31d02a4db678101e2d3c3e1b36a4334aa4a0e9943e2691f352e1b68fda8
PDF
Publication pagecc2918e7bb8ae9e7c4a3141c9f2c8d0fa20206eab87f95f7fdf63cc71d11cd29
Manifest2b245cec391173f181c9568af04e3763904c686b370ff18e5f8a4fee00248c68

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
Signature5Bn8KvLSNUNlrwRpy8Mnzaz+3vZH+d1O0C3KiqMDdTVry9fYnc8fPtP5XPaId3s2B8eVAz3mdWp6t9g3Wd9RBg==
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

2026-09-16T08:10:05.630167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005738
observed cc2918e7bb8ae9e7c4a3141c9f2c8d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.496982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005738/manifest.json
observed 2b245cec391173f181c9568af04e3763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.484169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005738/publication.md
observed 4a4ac31d02a4db678101e2d3c3e1b36a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.471719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005738/publication.txt
observed 363bfc04e32134c06443d4f2d4e9812d...
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.