OpenTechnical

OT-2026-000003739

Publication integrity record

Porous face vacuum gripper, per zone isolation, three outlet manifold, three stage ejector

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-2026-000003739) never changes.

Identity and time

Publication numberOT-2026-000003739 · never reused
Internal UUID01a0a90a-ea0f-7dc8-b0f2-baac0031f02c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:39.921224Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003739
StatusPUBLIC

Content hashes

Canonical text852cc21119417741835b2145330d94b1c93115323a5fa1e6173c087dee67ef7d
Markdown4e876e8deaf4238d636c8636bf0eb9cc67d38a5598de1650ace17cbb26be0a42
PDF
Publication page23f0f59b3a42191a98895e519efbcef0acab8242175334bed55b36009fbb07fc
Manifest61c426a7fbd309b9e66026bf0cae90fee833e05e51252b55aebe26c51af25afa

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
SignatureacEKTt5uU2QVixxL8y5EVHQr3479fy4oUytBCwMSjbdDAAvi6NI4Fwr4aJvYp+/BtZloG6NnH0Ur2KLbC3bmCw==
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

2026-09-16T07:50:33.163816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003739
observed 23f0f59b3a42191a98895e519efbcef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:32.989403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003739/manifest.json
observed 61c426a7fbd309b9e66026bf0cae90fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:32.977572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003739/publication.md
observed 4e876e8deaf4238d636c8636bf0eb9cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:32.962280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003739/publication.txt
observed 852cc21119417741835b2145330d94b1...
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.