OpenTechnical

OT-2026-000043379

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000043379) never changes.

Identity and time

Publication numberOT-2026-000043379 · never reused
Internal UUID01a0ae7b-327e-7cf5-991a-3a4de6657e5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043379
StatusPUBLIC

Content hashes

Canonical textb48517ac732febbdac4020a59d87776a464bca07de2c7c9a13d8948111f4945e
Markdown5d42a3ff8a51f31d81863f1d49ea0d9f32ce7993aac234cfa64cc28907550ee9
PDF
Publication pagec12972662e298a958b7081e7a28fe3b2f35d7801ee638d364d48024f55d72110
Manifest743bcbbd1d6eaa2daedddd856340568944b272973873c9112f7aa898c49447b7

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
SignaturegJNUmU9asqB7ChCbF+UFuANXGYQ6FuaEtxoC3cntghGe0qtvvlSdrB5Im3WeLtXd4YufsNsVff6himKb0nUmAA==
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

2026-09-17T11:13:54.469119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043379
observed c12972662e298a958b7081e7a28fe3b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.449466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043379/manifest.json
observed 743bcbbd1d6eaa2daedddd8563405689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.430484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043379/publication.md
observed 5d42a3ff8a51f31d81863f1d49ea0d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.411641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043379/publication.txt
observed b48517ac732febbdac4020a59d87776a...
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.