OpenTechnical

OT-2026-000039258

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000039258) never changes.

Identity and time

Publication numberOT-2026-000039258 · never reused
Internal UUID01a0ae78-9674-7098-82d9-adb9b9046951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039258
StatusPUBLIC

Content hashes

Canonical text1f4ccd136e01426223f3cfa773c6bce756f610d5cec40ae4189d2c8d5a53a530
Markdown247b79fb335865dfd0057355e55784d1a4f8431411488ac77a5d35b2a0ca6883
PDF
Publication pageec35f64c50dda20d15315688e2f496e7fa036a495accac7667c8c640f552f769
Manifest38060d4ce21e06fa1f83864b473246ae28ad563917c7a9101e26873d599d20a6

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
Signature5VXHh8sNCGqv6vqeH78qkhSzcGcaIrY0CMaF6HCnwPlnrKnG4CXPJypcso7FLnTzg/GB1gQHHl8Z7ev10sZ7Bw==
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

2026-09-17T11:20:49.259630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039258
observed ec35f64c50dda20d15315688e2f496e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.241278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039258/manifest.json
observed 38060d4ce21e06fa1f83864b473246ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.222833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039258/publication.md
observed 247b79fb335865dfd0057355e55784d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.205623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039258/publication.txt
observed 1f4ccd136e01426223f3cfa773c6bce7...
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.