OpenTechnical

OT-2026-000043882

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000043882) never changes.

Identity and time

Publication numberOT-2026-000043882 · never reused
Internal UUID01a0ae7b-d677-7a3b-8c75-6d9489b1338f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043882
StatusPUBLIC

Content hashes

Canonical text59d02e9e74b95797374c0016815c1f6942a52809104716e576f4ad2bbcf5844c
Markdown5dee871d6e7969fd5506d4da7faa6b2987db6580d72c9a6b68d862bfd20746b0
PDF
Publication pageb70b0b6f25d5863700c16b7e62ceab69b6e566bd978d883bab41ed009aa71149
Manifestc6bb39d9eb3fc93585a16111d124e8243e2d14e467cc77ef04d3d54986128046

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
SignatureAYX1rghS0spJihVMCFs6bIQwGuo13hREX3kS1J3YS32xR1MwYYdNT4n28622ghpjaa/Lj3ywLBfmjMB5Iwq4CA==
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

2026-09-17T11:12:12.758089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043882
observed b70b0b6f25d5863700c16b7e62ceab69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.739933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043882/manifest.json
observed c6bb39d9eb3fc93585a16111d124e824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.719417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043882/publication.md
observed 5dee871d6e7969fd5506d4da7faa6b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.700559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043882/publication.txt
observed 59d02e9e74b95797374c0016815c1f69...
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.