OpenTechnical

OT-2026-000026932

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off before 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-2026-000026932) never changes.

Identity and time

Publication numberOT-2026-000026932 · never reused
Internal UUID01a0ae72-3452-7758-bb44-c1232c1854ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026932
StatusPUBLIC

Content hashes

Canonical texte6a6834afb037f3a8c87f87a57c82776107c1887100f8c524e031e9820b7ddcb
Markdown4f7e69838e82a7c3e17af5e6d77dd64fc412c9c0b88581636ff2122c027a845b
PDF
Publication page6ae33293c10929e48f5161416f36a192863e981bb7a5800e1a80b32bab1af701
Manifest8ed71cbdeda79223831850d915eae5a05bb17ed6a8ea08af1324d8d789fe8b0f

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
Signaturef2/9KrVgyztfcfk8RnvtqydviLb50TVZQrLr3ojVG22RRlPxzPewd0KrcKzYWnpsyclreermEhmo15eQNWfIDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:32.950500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026932
observed 6ae33293c10929e48f5161416f36a192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.933453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026932/manifest.json
observed 8ed71cbdeda79223831850d915eae5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.915383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026932/publication.md
observed 4f7e69838e82a7c3e17af5e6d77dd64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.897501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026932/publication.txt
observed e6a6834afb037f3a8c87f87a57c82776...
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.