OpenTechnical

OT-2026-000072340

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000072340) never changes.

Identity and time

Publication numberOT-2026-000072340 · never reused
Internal UUID01a0ae92-47c3-79b5-b9fa-daa07698d385 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072340
StatusPUBLIC

Content hashes

Canonical texte9f9176f576e51853b6040856a37b1a449743f5b14896c6cc17da6e692d53560
Markdownb2ecbfc8e2ba6ca559600d82aa6f6a3c8f15cf7782465d3e54c12f83006be5e6
PDF
Publication page6e22660fbc8e6e6c11e0b4d5663384e390bc89d23292e86cd2da9010e2bf0804
Manifestceb71c3967bb1eebf1253748e11b2b34b334752bda2044636e5f8ef313bf5a33

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
Signature4JGY9pPZYSHn4ZU0Wxo8R9Km3S+Fi6iXA6Z8odK3EanUSRU5b5bMl36NkCKLjbrK50Dfl0YW1rA4snDYvTAKAA==
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

2026-09-17T10:23:34.317305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072340
observed 6e22660fbc8e6e6c11e0b4d5663384e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.300834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072340/manifest.json
observed ceb71c3967bb1eebf1253748e11b2b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.284041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072340/publication.md
observed b2ecbfc8e2ba6ca559600d82aa6f6a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.267547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072340/publication.txt
observed e9f9176f576e51853b6040856a37b1a4...
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.