OpenTechnical

OT-2026-000087407

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, supply line 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-2026-000087407) never changes.

Identity and time

Publication numberOT-2026-000087407 · never reused
Internal UUID01a0ae9a-cd50-7115-baed-32bbef2a8c9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087407
StatusPUBLIC

Content hashes

Canonical text625e55e62f4120ffadc7d82f2b3ea6d790bae5502b1238b621ef216f4e62d6cf
Markdownb89dd52052a48613c17bb6da8987161908ee689f1389378e7281f94796e013e4
PDF
Publication page9cc33bedf3f8bd89e9ad58a5b5ca1c4c1c7d34e7b5d3decbd7797ec74a169c75
Manifest8e82f11e7dc73c2ba8b2c129cc7ed47f5c3fa2045f8ae6234da48df70a0be64d

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
SignatureqTX/vEv9A2qGeXUtuRMglqvwrGtNY+u8WuMwfCR4DcYHwzLfXRp6mnvkKa7HLHyAd7ee6SgdjjmP3h2lt3efAg==
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

2026-09-17T09:50:43.348355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087407
observed 9cc33bedf3f8bd89e9ad58a5b5ca1c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.329697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087407/manifest.json
observed 8e82f11e7dc73c2ba8b2c129cc7ed47f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.309980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087407/publication.md
observed b89dd52052a48613c17bb6da89871619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.292091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087407/publication.txt
observed 625e55e62f4120ffadc7d82f2b3ea6d7...
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.