OpenTechnical

OT-2026-000043924

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000043924) never changes.

Identity and time

Publication numberOT-2026-000043924 · never reused
Internal UUID01a0ae7b-d678-71f4-abe2-dec68e2e3de1 · 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-2026-000043924
StatusPUBLIC

Content hashes

Canonical textc42db21e02e00e6e4a1b4ab81244fc2f06e272a5b7b64d87341a18792283e945
Markdown4c779f8ada235e1a14052415c1f21499f5a7833c4ac837fb99cfd16a65b94681
PDF
Publication pagecc1b61e17442b4c9994893eb033f623c47719afad8ab3848260ce7faa70069ce
Manifeste5f432ef4aabfde2b909abc0799121a9fa70baca107b1811bbcac6f11715a28a

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
Signature7NavR5S4/yDN7nA7RY3gRR+r9tVEfiILZUF1613g8rB5kUvfUvfQcJ4xMFM4QD7F1s+Th0zzEJ/NSNxksagzCg==
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

2026-09-17T11:12:16.231869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043924
observed cc1b61e17442b4c9994893eb033f623c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.214066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043924/manifest.json
observed e5f432ef4aabfde2b909abc0799121a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.193611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043924/publication.md
observed 4c779f8ada235e1a14052415c1f21499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.173962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043924/publication.txt
observed c42db21e02e00e6e4a1b4ab81244fc2f...
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.