OpenTechnical

OT-2026-000006746

Publication integrity record

Porous face vacuum gripper, two stage ejector, pressure verified, sustained blow off before 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-2026-000006746) never changes.

Identity and time

Publication numberOT-2026-000006746 · never reused
Internal UUID01a0a966-0146-728e-afcf-b494ef7d522d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:09.643048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006746
StatusPUBLIC

Content hashes

Canonical texta165c78a49012dda49b6c5feddadfa060a98161d8d78e12d04f150b4be485777
Markdown57f2515d90964494c48fa6e4b286a14b278271831a5f75628250d997b4e96cf2
PDF
Publication page30d19aa1e5530795f0e30c3c17e59513cf5d64a02f9a6759089d0aed5cd02f9e
Manifestce75cec228936b2026321e014849641a4f0fc2657a297e73c47e4edca7bff409

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
Signature4Zd1Y2TebKqtwBYJHkpCqsyh7MeU3RyvX3TNRG/Hn3YSHTFQ92WqO68sQ8HtkxMr3lwgH2Ifc5Dd7SIre07+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:10.900456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006746
observed 30d19aa1e5530795f0e30c3c17e59513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.885840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006746/manifest.json
observed ce75cec228936b2026321e014849641a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.762051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006746/publication.md
observed 57f2515d90964494c48fa6e4b286a14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.749224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006746/publication.txt
observed a165c78a49012dda49b6c5feddadfa06...
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.