OpenTechnical

OT-2026-000043967

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000043967) never changes.

Identity and time

Publication numberOT-2026-000043967 · never reused
Internal UUID01a0ae7b-d678-778e-94d9-ab9c0c57da1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043967
StatusPUBLIC

Content hashes

Canonical text1c867c1eae31102af4e2e2c4d3f6ef6f80629b1c466d2390ecf1ad5e10fee26f
Markdown65d65ca9261da229efda4526d8cb4dd9efb0310aee74265ebb15fe1e3319d45b
PDF
Publication page7d4d940ce9f24173b3f6c0cf87f8e7e8d53da9bc2107315f08638f96e38b864b
Manifestc15047a54b5a4a6c4f3039933a0eb1b747a274a7572a57609c65ff28a5148a9a

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
SignaturePCE0NIWDv5jaXJdjgwTRm+KW/nCE+fe8A2zOkDAWgrjbqO0umeMoakExpke20l/sXjhlx5NoPSZ5kDPeaejbCA==
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

2026-09-17T11:12:19.648235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043967
observed 7d4d940ce9f24173b3f6c0cf87f8e7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.628792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043967/manifest.json
observed c15047a54b5a4a6c4f3039933a0eb1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.611212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043967/publication.md
observed 65d65ca9261da229efda4526d8cb4dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.593381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043967/publication.txt
observed 1c867c1eae31102af4e2e2c4d3f6ef6f...
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.