OpenTechnical

OT-2026-000038002

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000038002) never changes.

Identity and time

Publication numberOT-2026-000038002 · never reused
Internal UUID01a0ae77-f88a-710c-aed6-dd834538353c · 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-2026-000038002
StatusPUBLIC

Content hashes

Canonical textdd0ccf6f6467e87f055b5d57377f1d629c302107bd79da455efcc7f44b91052f
Markdown1706f4e554ced8cd55b2379baf348b2fda94de10ba95a8fb6196e9f804450830
PDF
Publication page4c25cf64d37c34b4cbfd141a3a560fcd112d607d203927d17376de9557ed23eb
Manifest7a28e464c829d9b7c319a80df1ffd5ead9e8f39cf0c6e721055c90c04020a369

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
Signaturegzp5zlTe1qEVVpUC3Z6txSYloGcgF3TWznkg1FqhypeE3FpodlJL0oU87kgQYQuYO15B3wSUtUm4VrSGVSMsBQ==
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

2026-09-17T11:23:18.153414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038002
observed 4c25cf64d37c34b4cbfd141a3a560fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.135000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038002/manifest.json
observed 7a28e464c829d9b7c319a80df1ffd5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.117681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038002/publication.md
observed 1706f4e554ced8cd55b2379baf348b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.098052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038002/publication.txt
observed dd0ccf6f6467e87f055b5d57377f1d62...
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.