OpenTechnical

OT-2026-000021077

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000021077) never changes.

Identity and time

Publication numberOT-2026-000021077 · never reused
Internal UUID01a0ae6f-65e5-7fba-a612-31b59d1f3f9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021077
StatusPUBLIC

Content hashes

Canonical text604f6720811e7c76bb9e5fe6c4f715b64beca0ef66a5eea5cb6f7669c40cf6f3
Markdownaf08bda4dc7e501c9d9ac06e5df07a2fa33bdf435fddc7421130d224da50c41e
PDF
Publication page70b836e5e4b9fc94052102d3b15f3780a053393545a0d5057f19f555369e27a5
Manifest7b8c6fa5359dd6c0d0e08b455c7620e826d06c0f28d8c3b481fc369de06a318a

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
SignaturerAOxWer3t0w19dQGbWv0mRtXjhUCW5Py+iicbOYbjuEo2Mgfdd7LbGrWhhcYRvuyQ3iYBXcaagvtCYk+u0hPDQ==
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

2026-09-17T11:56:15.049806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021077
observed 70b836e5e4b9fc94052102d3b15f3780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:15.013100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021077/manifest.json
observed 7b8c6fa5359dd6c0d0e08b455c7620e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.992183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021077/publication.md
observed af08bda4dc7e501c9d9ac06e5df07a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.971642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021077/publication.txt
observed 604f6720811e7c76bb9e5fe6c4f715b6...
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.