OpenTechnical

OT-2026-000043878

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000043878) never changes.

Identity and time

Publication numberOT-2026-000043878 · never reused
Internal UUID01a0ae7b-d677-7003-8a49-d46cb355ff20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043878
StatusPUBLIC

Content hashes

Canonical textee7dab99201a6d03de184d4123979caad5aa625217c1cbd0013120e1a73b6706
Markdownc8452912635ee6c4cfde91b7d769ebff122becbd06ed22997bd8daec3e306f0f
PDF
Publication page8f4d32cb181cf2ba4ed644d3b499f8ac89bc6a46b8c3582b0c721f0410fc9aa7
Manifestfde5cd625f49e613abd0109ba3a697ac6ae25b9bdc2e69f39794cd0dd0a8ef6e

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
SignaturesOgEP+XhOyzc/ZynGMXV1v/AtaFLPa2q+8nKseFk8BWGtwG32oRDmSjwGCrOqIoC6NQauXm5vdRLNkb0xl6eBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:12.441661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043878
observed 8f4d32cb181cf2ba4ed644d3b499f8ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.420529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043878/manifest.json
observed fde5cd625f49e613abd0109ba3a697ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.385347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043878/publication.md
observed c8452912635ee6c4cfde91b7d769ebff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.342683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043878/publication.txt
observed ee7dab99201a6d03de184d4123979caa...
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.