OpenTechnical

OT-2026-000072143

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line 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-2026-000072143) never changes.

Identity and time

Publication numberOT-2026-000072143 · never reused
Internal UUID01a0ae92-47c1-7030-b235-f3f45080645e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072143
StatusPUBLIC

Content hashes

Canonical text837b7e5175a15ba1af9317c10af91d32cf0bf55620790adc4ec33cd4d0e18b4d
Markdown622af7f438101880ed308c358f6b473e5798e79670175c97fd7f50adbcc88b0b
PDF
Publication page2465683d70e144ba73dfa91e0a2056c0c516fe5039270e24ae58e448d1d8bc3a
Manifest5c86b380765ab34f7ebb5e6cb59ae06a32902fa0d6335f668a1e8333bbca18a0

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
SignatureOoqkfw7buDR4LW+/2XIGYNMIpQ8/2U231P5u/2b1J9ZjB9d3VO8jFU/dWXp1mHpKYGqP+3q+l/aXSevSJZEYAQ==
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

2026-09-17T10:23:14.286570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072143
observed 2465683d70e144ba73dfa91e0a2056c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.270960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072143/manifest.json
observed 5c86b380765ab34f7ebb5e6cb59ae06a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.252461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072143/publication.md
observed 622af7f438101880ed308c358f6b473e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.235021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072143/publication.txt
observed 837b7e5175a15ba1af9317c10af91d32...
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.