OpenTechnical

OT-2026-000050271

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000050271) never changes.

Identity and time

Publication numberOT-2026-000050271 · never reused
Internal UUID01a0ae82-5c46-7a30-9e09-66ddd1834773 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050271
StatusPUBLIC

Content hashes

Canonical textdcffe37f191f7301b859d46bdafb7ce0c4d56c035cab917f84305b60f39bb323
Markdownf405a099cc53e2ede2b2692d73594cf45e47ba20467326d9a3c9e6c6473b91d1
PDF
Publication page0455450ce9d7d5c15c2689f1aa8dc754701057d727f59c4355072606951cc733
Manifestdb0c037aa7ca305dc94e3ccff72cc622825e0c75c0dbd5b493b03339eff2bf73

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
SignatureG/ZJx91YonD9xc3SmPn94BcyyXOpWAhMF1T8C5XwsUzjYBZjcOiXhL+hXEiN+6hZT0As2BpGYvGKOXpid2E1Dw==
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

2026-09-17T11:01:16.384777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050271
observed 0455450ce9d7d5c15c2689f1aa8dc754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.368033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050271/manifest.json
observed db0c037aa7ca305dc94e3ccff72cc622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.350332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050271/publication.md
observed f405a099cc53e2ede2b2692d73594cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.334154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050271/publication.txt
observed dcffe37f191f7301b859d46bdafb7ce0...
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.