OpenTechnical

OT-2026-000095707

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000095707) never changes.

Identity and time

Publication numberOT-2026-000095707 · never reused
Internal UUID01a0ae9f-fac4-792b-bf8c-b15fdf4d1f75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095707
StatusPUBLIC

Content hashes

Canonical text30743dac92a6f0933acfc1c6b3706ba5b9097aed3be69fbf87c277f22dbffd15
Markdown23c69c48f94bdaae4419fcbd6857fee6162603f5f6adc330c5fedde06a5400cb
PDF
Publication page18147ea5a4cc22fd16ddece1f9b61013654fad5e7b47b8a383000d2f4f601055
Manifestc5c21e317e6e9d5266d4176fd1ee041538d8e70141414a0b7c19c323b85fae1d

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
SignatureqBHfvtuQbpuu7PdpjNVB+t1TZ33N3W8TBHi0bufBTTZhPqVsn6YxJtKtf+CO+NpjYA12j+tnim+D2zJZdbPECg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:15.620502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095707
observed 18147ea5a4cc22fd16ddece1f9b61013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.603767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095707/manifest.json
observed c5c21e317e6e9d5266d4176fd1ee0415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.584207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095707/publication.md
observed 23c69c48f94bdaae4419fcbd6857fee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.565458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095707/publication.txt
observed 30743dac92a6f0933acfc1c6b3706ba5...
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.