OpenTechnical

OT-2026-000006410

Publication integrity record

Porous face vacuum gripper, four outlet manifold, three stage ejector, contact triggered, open cell

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-2026-000006410) never changes.

Identity and time

Publication numberOT-2026-000006410 · never reused
Internal UUID01a0a95a-4742-77bb-8833-7faf1c126611 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:34:21.125376Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006410
StatusPUBLIC

Content hashes

Canonical texta3c7e51198d3ea884b7d8a54b4593d71eca1cc2dfcee0a80865662ed767d5652
Markdown9768c1e35a4d44a48a9e7943e6f75819b995009f0686a5ec7b760130b7a00ea6
PDF
Publication page270c246341dd34f891a514f07b14c36e8334d53f39aec86d21962a220569904d
Manifest927b03dbdce44ba8359cee5bfbdfdca934e744b5558f19297cef84f8dd33c165

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
Signatureky066v+ZoUzmvikgboLFaYttLVwuHS0naGCkPOZTMIpjhdm++lz+mZzKfVPwIYJMaxeLJ3wg8czaCOMSLex9CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:20.719691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006410
observed 270c246341dd34f891a514f07b14c36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.705543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006410/manifest.json
observed 927b03dbdce44ba8359cee5bfbdfdca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.693091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006410/publication.md
observed 9768c1e35a4d44a48a9e7943e6f75819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.680363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006410/publication.txt
observed a3c7e51198d3ea884b7d8a54b4593d71...
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.