OpenTechnical

OT-2026-000037208

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000037208) never changes.

Identity and time

Publication numberOT-2026-000037208 · never reused
Internal UUID01a0ae77-7741-7b25-a9cc-288f11bb848f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037208
StatusPUBLIC

Content hashes

Canonical text9a5826648905893757054bcd2eee10c04bf73281847682883d00e8cd7b593afd
Markdowna7cd2bd99426f391c6cd390d5f7924d2ec2b1a1fe4a091bd447427b32f8d3b8f
PDF
Publication pagec3b8e103b85aff7ffe446516721321f4f6c0b3bec1d2f5e1d47caa0a28d0af33
Manifest014ab74d1fba65b47435f6cb5418a65b2f5b8541ed44c3bae8d2fec216f5c268

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
SignatureygHXincWvEEq4XuQUN8LXawrbrur07hltnB/02jVVGfgaCsehW9Gx4wZR0T07sYWQba42D5crk6BTACsCRt+Dw==
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

2026-09-17T11:25:05.784637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037208
observed c3b8e103b85aff7ffe446516721321f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.767218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037208/manifest.json
observed 014ab74d1fba65b47435f6cb5418a65b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.748072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037208/publication.md
observed a7cd2bd99426f391c6cd390d5f7924d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.731204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037208/publication.txt
observed 9a5826648905893757054bcd2eee10c0...
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.