OpenTechnical

OT-2026-000021368

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000021368) never changes.

Identity and time

Publication numberOT-2026-000021368 · never reused
Internal UUID01a0ae6f-865d-7630-bb8c-246de4e3b320 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021368
StatusPUBLIC

Content hashes

Canonical text1815cf31f0624a938aae0b850bd50992f9ca9715473fe7b1b633163d94533576
Markdown062df3f7874a80bd8fed4e3f539eb14302105da03d972b0396415854587d4590
PDF
Publication page7584599db942a59cb0cefe6d386b0266bebe715bd4fa877c4a3ff5fbf5c4e19e
Manifest894d630734e65cad886c95440276db1b2213196fb5d3208d51606d4cb48be8c1

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
Signature487TgJRt6a5D5BfgFUf3Sdo6OZURcEQqkLxX9Hpnc1+9mYb7OCAqHeaqAiROaGPrMQ2vgGDEg2ErmqK60yT8Cg==
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

2026-09-17T11:55:14.068490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021368
observed 7584599db942a59cb0cefe6d386b0266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.048080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021368/manifest.json
observed 894d630734e65cad886c95440276db1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.027707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021368/publication.md
observed 062df3f7874a80bd8fed4e3f539eb143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.005487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021368/publication.txt
observed 1815cf31f0624a938aae0b850bd50992...
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.