OpenTechnical

OT-2026-000010128

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000010128) never changes.

Identity and time

Publication numberOT-2026-000010128 · never reused
Internal UUID01a0ae6b-cb7a-7869-b97f-e322257c0fda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010128
StatusPUBLIC

Content hashes

Canonical textdcd732b135fb2c8887840efe8edfe1b1bf066cc0b14188a97f34bf54b826b688
Markdown3b872eaa62df948102ca2459c155c4441e3b8944e484820942817eca3e533e47
PDF
Publication page35f4678d75eaf1e0a252a644148f33a7cf928f469585c825413a637a1066987f
Manifest7875153fa0ced47de17ede49ad87d72bcd619f904a1c4ff7b86234da3cd44b93

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
Signaturex4VKSBpF6gas1pPrPhVGabN+YSojbZ9k7wNVyB0TYn4XJCFIBpG+bTj/mez6jdbxObZO+tDi45NHLyK9G0qGBA==
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

2026-09-17T12:16:13.425672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010128
observed 35f4678d75eaf1e0a252a644148f33a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:13.406652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010128/manifest.json
observed 7875153fa0ced47de17ede49ad87d72b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:13.388028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010128/publication.md
observed 3b872eaa62df948102ca2459c155c444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:13.369589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010128/publication.txt
observed dcd732b135fb2c8887840efe8edfe1b1...
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.