OpenTechnical

OT-2026-000100148

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000100148) never changes.

Identity and time

Publication numberOT-2026-000100148 · never reused
Internal UUID01a0aea3-3052-71b5-85e3-73af04083a5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100148
StatusPUBLIC

Content hashes

Canonical text9ad186f422f0295665539eb9683d8664c48c07171ad613f828c6f2887ac3dd78
Markdownf7557248f76eae39f259e3b2abdcbc5441af2677c67a2248ef6d302ed24149da
PDF
Publication page36e06fca0937ec2f87bc3dd77a81d10172605f7b8d6629e1f01cc88e5ff984f2
Manifest4d280ba155f2a47dda81415d126a88b81e5b25696bfe865845788fab3bb4afd5

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
SignaturemWYvKZ8zj8fUzMXhoVs1DialAQvPMJJBFE3fHqRl4chc4JvLeBioEwRPfUr2qpvw1EA/3UFK0LyZlRcZH6GjAg==
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

2026-09-17T09:27:48.622367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100148
observed 36e06fca0937ec2f87bc3dd77a81d101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.590973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100148/manifest.json
observed 4d280ba155f2a47dda81415d126a88b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.573543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100148/publication.md
observed f7557248f76eae39f259e3b2abdcbc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.544615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100148/publication.txt
observed 9ad186f422f0295665539eb9683d8664...
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.