OpenTechnical

OT-2026-000079596

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000079596) never changes.

Identity and time

Publication numberOT-2026-000079596 · never reused
Internal UUID01a0ae96-0b92-7d04-adc8-d9bc1c74ed30 · 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-2026-000079596
StatusPUBLIC

Content hashes

Canonical text6725ad47f57d8dfc26e1aff627a284c9a4656617089e18d74e744b0b9c363336
Markdownb2b2014bcf08bf699b4f11568f56e0a2fdba245d3b82fbb05bf5c3535d1ae550
PDF
Publication page02e96cb2322d764d9d512c37446e1fb6e4548fda146cf26eeb145baac2c98726
Manifest40e5ca7a1f0b52f974bec5162c6e77358266786434258df28e97883b04f5ee5a

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
Signature9wr/2tBEGfK5VEedHI4cU0bNvOSTOj+O1TGp5UFDom9xQXRlE4pQg+h8wH1TWtLcFMNLkfyVPjffBZOYgUk6Bw==
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

2026-09-17T10:05:15.315056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079596
observed 02e96cb2322d764d9d512c37446e1fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.297097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079596/manifest.json
observed 40e5ca7a1f0b52f974bec5162c6e7735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.279866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079596/publication.md
observed b2b2014bcf08bf699b4f11568f56e0a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.261022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079596/publication.txt
observed 6725ad47f57d8dfc26e1aff627a284c9...
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.