OpenTechnical

OT-2026-000083628

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000083628) never changes.

Identity and time

Publication numberOT-2026-000083628 · never reused
Internal UUID01a0ae98-0416-71fe-a39f-58153d40b1ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083628
StatusPUBLIC

Content hashes

Canonical textb9bae6bf79b1a7b80c292d1b3094f382fcb113ec970815edba03467a381c5e6f
Markdown6c443e2eb400370f7ecc200086a185fd4c4a71726dd06376547d43f5680c5103
PDF
Publication pagecec3bdd441ea6ec3f5fa761d6f71147baf157c3c29bba60c87c2e7aa605d182d
Manifestcfb686350da5193ab3e50d416a6cafc1e379feeafb46d666ee34804921398770

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
SignatureeVT66gLQhCaZt+4g0UHWO/Mi2D5HSJ61dKGb/8TkPen5KBRnH0/NruxNFONyfntkVpw9aZ38i5D0QdgaOiPLBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:14.372747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083628
observed cec3bdd441ea6ec3f5fa761d6f71147b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.355793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083628/manifest.json
observed cfb686350da5193ab3e50d416a6cafc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.337661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083628/publication.md
observed 6c443e2eb400370f7ecc200086a185fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.318614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083628/publication.txt
observed b9bae6bf79b1a7b80c292d1b3094f382...
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.