OpenTechnical

OT-2026-000078280

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000078280) never changes.

Identity and time

Publication numberOT-2026-000078280 · never reused
Internal UUID01a0ae95-7c27-7b85-aaaf-c5b81533bffa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078280
StatusPUBLIC

Content hashes

Canonical textad6b4686876cd44be3945942b2f836db9ff8261462a4f74dd00e3f9f9caee2c9
Markdowna3f47f577fb9a54c82c94d2a13848c019cd89039b214317f9c42af7e37658123
PDF
Publication page2151fd37968b404c920e9e73111a81ba6e996b43ccaf4237535438ed57f50653
Manifeste19b3573ddf75c04067ce21242a34481c39ab2ab2a2663573192fae559c9d457

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
SignatureOI2klEzoyNLWYLVtIuC9b/rWjGFasVlktrNdng4dA7JM6hyhs6rzmzo3MwAapOOlKo9OOTMiwl3GPYsJKmGHAw==
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

2026-09-17T10:06:14.618412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078280
observed 2151fd37968b404c920e9e73111a81ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.600698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078280/manifest.json
observed e19b3573ddf75c04067ce21242a34481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.581001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078280/publication.md
observed a3f47f577fb9a54c82c94d2a13848c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.561672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078280/publication.txt
observed ad6b4686876cd44be3945942b2f836db...
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.