OpenTechnical

OT-2026-000043954

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off 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-2026-000043954) never changes.

Identity and time

Publication numberOT-2026-000043954 · never reused
Internal UUID01a0ae7b-d678-71f0-afd0-ef879da5620c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043954
StatusPUBLIC

Content hashes

Canonical text54522b1f909c809bb20ee5a81393c3661d2587f2261d9e9769ff55a56a408c3e
Markdownae36bb28dd87a6157a5ee280a62884cca818f0d24f5332919ab05aec7e772698
PDF
Publication pageaca80701a1bcface787acb176bacd2bf7a038907326432f91c6b9a7e0ffbcafb
Manifest56a6814b1b1c67a9b11e30eaf0162c20f92e87cade68ad8d2413c171da3e876c

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
SignatureFkhkV7IOBI9zrS5ky+DMinLOeaSuBimGjb/arfPmnGRrc6ehHExIjrujh2/u1Slr46rY9JB6AK87e/LgniRTBA==
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

2026-09-17T11:12:18.597934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043954
observed aca80701a1bcface787acb176bacd2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.579934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043954/manifest.json
observed 56a6814b1b1c67a9b11e30eaf0162c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.561638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043954/publication.md
observed ae36bb28dd87a6157a5ee280a62884cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.541949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043954/publication.txt
observed 54522b1f909c809bb20ee5a81393c366...
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.