OpenTechnical

OT-2026-000079632

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000079632) never changes.

Identity and time

Publication numberOT-2026-000079632 · never reused
Internal UUID01a0ae96-0b92-7ffb-9210-80e735c1c020 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079632
StatusPUBLIC

Content hashes

Canonical text4f13f1a3ddcdd889c7a0b8a6c6b1ac31fbffc9eb8bd41055a43032d95e2c7b04
Markdown1376127fdb7162014e55c69af89062bf9de4332c9502af7f36613c441a0c6e81
PDF
Publication page9bb2dbe5c2d0edd418e72291f2982b70f7dfa2a853d03dbe2a7d7139066299fc
Manifest038fd83c81a6d978d4282301538c0e64b2405c6f665e7537671380a9566940c5

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
SignatureGsWTATgX3qzFHYR24U1AeXBLQcXSNz0P/QjIM5E9GfnONWPL0Ek3SCL8B+PFOEFJfQ3YrrIRRLpkCEm+RPs/BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:17.981151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079632
observed 9bb2dbe5c2d0edd418e72291f2982b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.961507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079632/manifest.json
observed 038fd83c81a6d978d4282301538c0e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.943259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079632/publication.md
observed 1376127fdb7162014e55c69af89062bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.924497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079632/publication.txt
observed 4f13f1a3ddcdd889c7a0b8a6c6b1ac31...
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.