OpenTechnical

OT-2026-000102749

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pulsed blow-off after set-down

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-2026-000102749) never changes.

Identity and time

Publication numberOT-2026-000102749 · never reused
Internal UUID01a0aea4-858c-7ff3-bf09-e3228d0f26b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102749
StatusPUBLIC

Content hashes

Canonical textef7b960597de9a975ff29e7e969adb6bff227c7c34de3d9f275cbaed40072685
Markdowncc9dde94f4180d8c223604ed65a6a2290b9e82f3e46c4e4a38b2c8b2a79bb41b
PDF
Publication page322410f11dee610e5c23a3668a7faddaa2ab259c245db13f8983e9ec7747313f
Manifest9fbf5bd08119a9d5ebccc88898c1385384b41d584a639d4b07bbbf1142defc81

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
SignatureeYmAA3pNWegsTnnaOlT7tiiEv+rP96Bc8RJ9uW7u3PKeI/mPxocRjJbzMolK4BH+Oaa1PfDqjsLl16cqgKZoBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:16.223825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102749
observed 322410f11dee610e5c23a3668a7fadda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:16.203679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102749/manifest.json
observed 9fbf5bd08119a9d5ebccc88898c13853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:16.184542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102749/publication.md
observed cc9dde94f4180d8c223604ed65a6a229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:16.165176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102749/publication.txt
observed ef7b960597de9a975ff29e7e969adb6b...
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.