OpenTechnical

OT-2026-000073983

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000073983) never changes.

Identity and time

Publication numberOT-2026-000073983 · never reused
Internal UUID01a0ae93-2b8f-7be2-aaea-9b6dc4d71c14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073983
StatusPUBLIC

Content hashes

Canonical text96ec8b5cef116e088bb45f6406b5590bdff49da044a7d901ae9596a01dc2709d
Markdown3846061f1a2988ffb3e1135c353c7d467806e1abe9874c14c91ccd8a9acc573c
PDF
Publication page3316bf5041686d5beb811d9eaae5f7bc1c2b82fa67624984f0ae6027d3767763
Manifest7d48175e90d92898b4c3db85bfbfbe8d358852688df9caf2683e11bec1ac7011

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
SignatureOUu947/RlERpS2qxSUCQOgSIQXayqu3FCmhtktYF+z1rnn93Y9FShxxXHL1dF/YlgjqaUPS6HcDNgbnRN5a7Cw==
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

2026-09-17T10:20:16.747117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073983
observed 3316bf5041686d5beb811d9eaae5f7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.728323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073983/manifest.json
observed 7d48175e90d92898b4c3db85bfbfbe8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.710107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073983/publication.md
observed 3846061f1a2988ffb3e1135c353c7d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.687953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073983/publication.txt
observed 96ec8b5cef116e088bb45f6406b5590b...
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.