OpenTechnical

OT-2026-000091586

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091586) never changes.

Identity and time

Publication numberOT-2026-000091586 · never reused
Internal UUID01a0ae9c-f16e-7051-8fbb-fd497ad97cff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091586
StatusPUBLIC

Content hashes

Canonical text8f7eda273ff30d1f5cfd340eae7289bf433fdf82d697bafd2cf8cb91c66b88aa
Markdown3e05190e41a0ad2fb44d483f152c2a90178caa08e65f24e536add63acd95157a
PDF
Publication page1690d34098209242d45dafbbba7098b932928db355cfbbda99fa36bdb8307e74
Manifest950fd89a50b856f6d4f882391e5ee50920d829005e6d012ce46017a9d3f19f80

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
SignatureWAl0SgnL+uDlOyfz5wAX/hfeieTGxhnzP9pSu4OK0ejNhi9dV4SFObz7xSWSlIXTmQRhmHPozxg2fCfpWawDAA==
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

2026-09-17T09:43:51.590519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091586
observed 1690d34098209242d45dafbbba7098b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:51.573515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091586/manifest.json
observed 950fd89a50b856f6d4f882391e5ee509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:51.556850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091586/publication.md
observed 3e05190e41a0ad2fb44d483f152c2a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:51.540040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091586/publication.txt
observed 8f7eda273ff30d1f5cfd340eae7289bf...
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.