OpenTechnical

OT-2026-000060419

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000060419) never changes.

Identity and time

Publication numberOT-2026-000060419 · never reused
Internal UUID01a0ae8a-b7cb-72f2-bfe7-bf282d46d24e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060419
StatusPUBLIC

Content hashes

Canonical textbf83fd60319ddbccba73373a75e3b72c9f23acc674774960da0faf5e7fa7c402
Markdownc16ba94352619550677773318fda529267966589bd8f13af73a7be1a7f41c5c4
PDF
Publication page86fa93ec11209f55333646071ddff3995f9c4753fd3540448dcb5a5d44166200
Manifestb67ba781f7ff4300dd3855a386660fdc4f810230e7d790cc42ef56d235132132

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
SignaturenN4wwedipfD7PpnxDvCkKXHwC+ptXhG6jpmBKl4jquR5qlnyVV/IhaIDLYn7A4+5Qy+rbn3pIQp8h8/z6zSUAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:53.537360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060419
observed 86fa93ec11209f55333646071ddff399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.519048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060419/manifest.json
observed b67ba781f7ff4300dd3855a386660fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.499412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060419/publication.md
observed c16ba94352619550677773318fda5292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.481286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060419/publication.txt
observed bf83fd60319ddbccba73373a75e3b72c...
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.