OpenTechnical

OT-2026-000007519

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000007519) never changes.

Identity and time

Publication numberOT-2026-000007519 · never reused
Internal UUID01a0ae62-4df5-781e-aab0-de24e61af58a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007519
StatusPUBLIC

Content hashes

Canonical textf5d3fdb531c8cee34c94b7f65f1926cbf4c3222bf17d8012ebb12293810d2d5a
Markdownaa3e38c4df2a317d60f4fbe28a1013582999766dc3ce73888624b97d57388886
PDF
Publication pageb580b9c025d989a72308acc9bfdb88ba819c1c6222b027647621f164a344db97
Manifest6fa7a92199a4a6b5f4a65dc7d04ba46a215aac6a759cf701cea79d9e08089e77

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
SignaturefJ/9FQyTs2Z195Capj3MaoaJANYTCTBdoDIRfV+f0Eb84zS6Jvnnan45NGwgIm1Mg7CbtE9QS+B8L51Q2rP4CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:21.526961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007519
observed b580b9c025d989a72308acc9bfdb88ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.508152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007519/manifest.json
observed 6fa7a92199a4a6b5f4a65dc7d04ba46a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.488921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007519/publication.md
observed aa3e38c4df2a317d60f4fbe28a101358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.471721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007519/publication.txt
observed f5d3fdb531c8cee34c94b7f65f1926cb...
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.