OpenTechnical

OT-2026-000037890

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000037890) never changes.

Identity and time

Publication numberOT-2026-000037890 · never reused
Internal UUID01a0ae77-f88a-795f-a0d3-0251f49f7611 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037890
StatusPUBLIC

Content hashes

Canonical text58caee8f09ba1e3aeb43007bf3712b218ad90b1ae7d5cdf9281501a9e79bf7f5
Markdownb6c843f826787ec8f8fdc1ce4a690640c12afb740156de1318419d7c5a07c8d2
PDF
Publication paged5b4147df944a06fff597cb64506855fb9ebe3e204bdbc4347a1e71061356e3d
Manifest7a9c0f703ac8f7abd4101740137261b319975c035111df82760da35490719168

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
Signature4nEEp3KZjy4XDVcqQbLi0JMiwiyvkHH+vXHo3g9h6XgKSdT+Do2/OKvdTAStbI9w0XVE6uJQC5MJI/RiqOCaCg==
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

2026-09-17T11:23:09.304944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037890
observed d5b4147df944a06fff597cb64506855f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.288731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037890/manifest.json
observed 7a9c0f703ac8f7abd4101740137261b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.271552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037890/publication.md
observed b6c843f826787ec8f8fdc1ce4a690640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.252588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037890/publication.txt
observed 58caee8f09ba1e3aeb43007bf3712b21...
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.