OpenTechnical

OT-2026-000082631

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000082631) never changes.

Identity and time

Publication numberOT-2026-000082631 · never reused
Internal UUID01a0ae97-8cc8-7b79-a112-f52c068634fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082631
StatusPUBLIC

Content hashes

Canonical text28c7ca30c8803a2725e31d2ec670bc9bef4f1c9b549cc775292e26ea7bf3576c
Markdownd01a86a4690d32c155d8b81970b2a318cf909ac45cc9b3f5844b1ce84d045c40
PDF
Publication page2c1a1b8621f80ed185b60bc10e9cf8930c69cd2307f1eff8946959a32d7e9ed8
Manifest93bc0382d519dc54f44ea26a8e0ecb1cb90fcd6965a50a905f4ecdf73305e291

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
SignaturectWYFiEeUNyH6f2Tt7gD0+4lpfiqnm4e9g9wov95IbvLPeljugBYRZl+/5TSuLMV31jkmp8u7c+ZM6DNY+KpDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:11.162928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082631
observed 2c1a1b8621f80ed185b60bc10e9cf893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.145852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082631/manifest.json
observed 93bc0382d519dc54f44ea26a8e0ecb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.127546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082631/publication.md
observed d01a86a4690d32c155d8b81970b2a318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.108806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082631/publication.txt
observed 28c7ca30c8803a2725e31d2ec670bc9b...
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.