OpenTechnical

OT-2026-000004624

Publication integrity record

Bellows cup vacuum gripper, ejector fed, pulsed blow off after set down, plastic cups

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-2026-000004624) never changes.

Identity and time

Publication numberOT-2026-000004624 · never reused
Internal UUID01a0a91e-103e-747f-b708-24e2950b4b72 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:28:34.881250Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004624
StatusPUBLIC

Content hashes

Canonical textae6150859a8d8792f44fa4829f2e972c01e0fec9df872c3b49039622ed4b60bd
Markdown5d859cd2fca3a1f990ce228a14734eceec7eee416af0c90cdcb71c71234994b6
PDF
Publication page6fa97f66dc3476d2e5b06598548f2c8829a7671a38f8e8bf9eb94d41d9c4c797
Manifest395b9315794532e0e326fe6bdd01327c3dc2417d3226c39169afee5f33586baa

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
SignaturerpVp+n1KaKhZvBlKtivXJ76laRNt0XKIKEWA2amBpjoKu4dh2Tc++TYzKV98Vd9MlZeKnTqseYEqJOADc6GjAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:30:07.911877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004624
observed 6fa97f66dc3476d2e5b06598548f2c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:07.891637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004624/manifest.json
observed 395b9315794532e0e326fe6bdd01327c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:07.878557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004624/publication.md
observed 5d859cd2fca3a1f990ce228a14734ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:07.741619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004624/publication.txt
observed ae6150859a8d8792f44fa4829f2e972c...
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.