OpenTechnical

OT-2026-000003849

Publication integrity record

Porous face vacuum gripper, two zone face, four outlet manifold, ejector fed

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-2026-000003849) never changes.

Identity and time

Publication numberOT-2026-000003849 · never reused
Internal UUID01a0a90b-3eab-7d33-94ca-c1ab7cf5286a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:01.581870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003849
StatusPUBLIC

Content hashes

Canonical text0234f0e4317f6559d6d0055f5f735a4ffd3d599c1dccf1d2fb680a6d7ae6da62
Markdown2a411493414053ce764e419053419ae56089af341b3d427c929792b2f564d128
PDF
Publication pageed5b21b136eaae503161be6ab3319595d4fd45837b1efcde6985f548cfd521b2
Manifest91f0f7bbf0a4b51478e8a4d7c874029ad304080c4c0b51228f563b2524714ec4

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
Signature04bZGl5hh7+st27tGki28iSihCd+4IJb4Bo3Xvf4oDOeT/MyXK+YS6JsmfCtum5Olt3747sdfebvuJm8p1LYBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:16.669871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003849
observed ed5b21b136eaae503161be6ab3319595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.656619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003849/manifest.json
observed 91f0f7bbf0a4b51478e8a4d7c874029a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.642997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003849/publication.md
observed 2a411493414053ce764e419053419ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.628656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003849/publication.txt
observed 0234f0e4317f6559d6d0055f5f735a4f...
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.