OpenTechnical

OT-2026-000014037

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off before 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-2026-000014037) never changes.

Identity and time

Publication numberOT-2026-000014037 · never reused
Internal UUID01a0ae6d-8deb-7e3f-821e-9b31d47c3a21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014037
StatusPUBLIC

Content hashes

Canonical text1454229b0cd30c6159fc39b614b38c03d909d309628c0e5a1408bcda0712773f
Markdown44361522839711fb9e05383db97d58854167e95add63ce8dfea2be2c6ae3db9c
PDF
Publication pagee4598ffd4cc5b0a14be833a9cd30eb0a2cd1b2d5b9fc582aaad91250094cc58a
Manifest49123d721672572b9b626ea3ef9e2a844fc8c5120f610118cbddde0269fc6c85

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
SignatureHI2lFfA46VIuuW7zTeydxDovCwyekSnQGf3XIXnnNL1+rvAwzObt3hD58tt9d6dGaxlExVHEM8sOd6DHJd2MCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:16.201869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014037
observed e4598ffd4cc5b0a14be833a9cd30eb0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:16.180803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014037/manifest.json
observed 49123d721672572b9b626ea3ef9e2a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:16.160244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014037/publication.md
observed 44361522839711fb9e05383db97d5885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:16.140615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014037/publication.txt
observed 1454229b0cd30c6159fc39b614b38c03...
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.