OpenTechnical

OT-2026-000017890

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000017890) never changes.

Identity and time

Publication numberOT-2026-000017890 · never reused
Internal UUID01a0ae6e-96fb-7a73-adba-2be01c7e4527 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017890
StatusPUBLIC

Content hashes

Canonical textcaef59007e12b6396ce4a4f3b8407e817191b1ff52c4b43547de407d56f53b0e
Markdown2db7c162f3ab0aafeceebe6254a75d45830ed062d9dcc375d6098c25ca62b720
PDF
Publication pagea523169cafa71233d68b849ab98c20dcf1546221f4718ee97fe23de1c4beed1e
Manifestb892a0b0dd7eeacf306bf738e383f513c5c2cb5b53c7e931078bcdedc7d876b2

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
Signaturek8CF2Zv2aWxqwwC5lOw07ODRXKVJiuExA28W+3Pcj8sGAXKtxMf62DXRCq5p5Q7OWgvTbYc1ubHJYi9Fy9h2Bg==
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

2026-09-17T12:01:52.722410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017890
observed a523169cafa71233d68b849ab98c20dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.706207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017890/manifest.json
observed b892a0b0dd7eeacf306bf738e383f513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.688931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017890/publication.md
observed 2db7c162f3ab0aafeceebe6254a75d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.672729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017890/publication.txt
observed caef59007e12b6396ce4a4f3b8407e81...
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.