OpenTechnical

OT-2026-000075507

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold 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-2026-000075507) never changes.

Identity and time

Publication numberOT-2026-000075507 · never reused
Internal UUID01a0ae93-f202-7336-9e99-bd40eaf387a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075507
StatusPUBLIC

Content hashes

Canonical text2216ea0373c54e5762bc8e0d9662251d91977ecb2c499af2002025ca8428b07e
Markdown19ad74156f689b5b5ef23afd8d624a3a116cca080194b99cf97c87feb991a049
PDF
Publication page26a462b8cb1c2d164aa99903cfcc2a7f79405b108e3b0ebde8a5aa934a9e2565
Manifest7de1ca11074a82426697b42a02a8b1ea1f7d9280075c1a4aad93e21ac4cbbb65

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
Signature6PDxXWu3XKzel7gzHdfrLeI3Jx6DbQUhymR3dmGdmjArK66WPyVo3Nw/p/jhJC7fDm2QggvxpBDcTi3A2xhNBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:56.563235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075507
observed 26a462b8cb1c2d164aa99903cfcc2a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:56.543541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075507/manifest.json
observed 7de1ca11074a82426697b42a02a8b1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:56.524347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075507/publication.md
observed 19ad74156f689b5b5ef23afd8d624a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:56.504041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075507/publication.txt
observed 2216ea0373c54e5762bc8e0d9662251d...
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.