OpenTechnical

OT-2026-000063581

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000063581) never changes.

Identity and time

Publication numberOT-2026-000063581 · never reused
Internal UUID01a0ae8c-f945-76d3-bffc-d0a4179b568b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063581
StatusPUBLIC

Content hashes

Canonical text81624d154c8f030dcf8cd5bff3e671d60ae45ac28e01c659ec5a2d54b2af6e95
Markdownfb51848fb47621895c17250762bdeb9073964720f6477a2dcd0d5679689b1e65
PDF
Publication page02a4c70abfe836fe0fc42451bb34fabaaceaa69a92d433aae9bc55696ed2961b
Manifest909ce353bb1a571fe49d660bb6154b8357c6f50b9439e801f05cbd11796102eb

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
SignaturenTvnXkAapFrO4ca9A4bi6X+Id4EMzD/hfgFKY3khJENssSe1+Do286AjXXGMj92MoSa6iMDaSH4UpierIKq2Ag==
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

2026-09-17T10:37:35.705176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063581
observed 02a4c70abfe836fe0fc42451bb34faba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:35.687764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063581/manifest.json
observed 909ce353bb1a571fe49d660bb6154b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:35.669747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063581/publication.md
observed fb51848fb47621895c17250762bdeb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:35.649049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063581/publication.txt
observed 81624d154c8f030dcf8cd5bff3e671d6...
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.