OpenTechnical

OT-2026-000053800

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000053800) never changes.

Identity and time

Publication numberOT-2026-000053800 · never reused
Internal UUID01a0ae85-735d-7ecb-8ca1-73c1818bb269 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053800
StatusPUBLIC

Content hashes

Canonical text5fb9eaf70c61fa30da30b6d131c1e3fdbf2a58b9cfbc0d31597f23202b13fc94
Markdown602af5f59fef7f22225dc55a007d92fcec0af936298677ea4d0f733a945d207b
PDF
Publication pagecb7309e11b27ac1325c7c3ee013c0623af1a3e5e78ced78e88d1354f11a4a7b9
Manifest683d8c5aa7651f27cc687ecdfb5fbf32925647e48bfcffc4c580b25a70ce56eb

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
Signature1+5eIms9lZKJiahNrMguv1KjKRolcdle11/HK0oi6dIfeMUj8s+E+yKswfwojsDsiQsfT/KKL2KM0V532x+aCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:30.476987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053800
observed cb7309e11b27ac1325c7c3ee013c0623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:30.332652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053800/manifest.json
observed 683d8c5aa7651f27cc687ecdfb5fbf32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:30.311075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053800/publication.md
observed 602af5f59fef7f22225dc55a007d92fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:30.291014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053800/publication.txt
observed 5fb9eaf70c61fa30da30b6d131c1e3fd...
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.