OpenTechnical

OT-2026-000063155

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000063155) never changes.

Identity and time

Publication numberOT-2026-000063155 · never reused
Internal UUID01a0ae8c-94aa-7bbc-91b6-2f573917473d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063155
StatusPUBLIC

Content hashes

Canonical text8de02a2ed1b4b46817aa50b79a918a78f5305c473150f5b09bc2e70e34e3b98b
Markdowndaa85cde18f0985871ad9a637d50d7f98d93135ca7ae086f3be29ddd10abf694
PDF
Publication pageecfbec54c37f0b34fe7a751183257a50d69ea0e746c67992c7d2dac67a064204
Manifest319cda0231f413670e5e080996595a9f140a6f1e79bd43bfd2a8e64384eccf8a

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
SignatureZHxiSFlPB9J0zgqHAwXuSigdSKEMpWsAhHyJBs95oJmDQ0YQVWeglCYg1hLpq/j7OlplPddXjB4ENROUuE6ZAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:56.560290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063155
observed ecfbec54c37f0b34fe7a751183257a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.540998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063155/manifest.json
observed 319cda0231f413670e5e080996595a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.524251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063155/publication.md
observed daa85cde18f0985871ad9a637d50d7f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.506466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063155/publication.txt
observed 8de02a2ed1b4b46817aa50b79a918a78...
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.