OpenTechnical

OT-2026-000038029

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000038029) never changes.

Identity and time

Publication numberOT-2026-000038029 · never reused
Internal UUID01a0ae77-f88b-7578-9c8b-6230279eb137 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038029
StatusPUBLIC

Content hashes

Canonical text5afac585dc78492e1c7f784f23404a4b32fa5258ed9707835bfc4c27dc43b365
Markdown2376fa099d629f23eb4f5965e45a6fa38e5fe3e96dcffc835cd3b8d1bb2fa3d3
PDF
Publication pageedbbbe8f463041ded61597a945ab1e81f1ab2adc0d775212deb088ff5340d64f
Manifestad61d0a3627c502af4e40bd8014fda4e3b1cb293f9e3c7f41d48755544d4955b

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
SignatureJS+1MHXtihl6obNq/smJKqHbJdzXz1PUmVjYr+eMJ1G7EE/czD6ko9pg7zcGjXT8P9dxqKcoDu4sAWNLd5gBAQ==
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

2026-09-17T11:23:20.353879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038029
observed edbbbe8f463041ded61597a945ab1e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:20.336367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038029/manifest.json
observed ad61d0a3627c502af4e40bd8014fda4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:20.318970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038029/publication.md
observed 2376fa099d629f23eb4f5965e45a6fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:20.300605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038029/publication.txt
observed 5afac585dc78492e1c7f784f23404a4b...
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.