OpenTechnical

OT-2026-000036347

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000036347) never changes.

Identity and time

Publication numberOT-2026-000036347 · never reused
Internal UUID01a0ae77-01d0-75b3-a83b-1095579f828d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036347
StatusPUBLIC

Content hashes

Canonical text175b6fd64b24401a581e81e2cb66d95c4185f17ba74b9e5a31248c151bcd0311
Markdowne157857bedd597635aba8c78a9d8901708ed01f467f885734728f51425bd5ce2
PDF
Publication page5550b8a4ca409992e08eb952b87bcdb1947de8c6aa79496ae2ece3fc7fd6f8c5
Manifestfe41060b335934b8641d4957872da3125d998a8c69f020bc46215bb0d3fb85af

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
Signature/dOTNMdd2wRNgwk/GaPJbmdTiywLM6pCKY28KeBo3JFhTVDyiKtrgtXcqfLFRL72j5ZYUZa3yuNnFvXHdKwwBw==
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

2026-09-17T11:26:37.642755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036347
observed 5550b8a4ca409992e08eb952b87bcdb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:37.625858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036347/manifest.json
observed fe41060b335934b8641d4957872da312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:37.608998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036347/publication.md
observed e157857bedd597635aba8c78a9d89017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:37.591398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036347/publication.txt
observed 175b6fd64b24401a581e81e2cb66d95c...
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.