OpenTechnical

OT-2026-000100840

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000100840) never changes.

Identity and time

Publication numberOT-2026-000100840 · never reused
Internal UUID01a0aea3-66f5-7446-9400-d3818f8c2b6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100840
StatusPUBLIC

Content hashes

Canonical text6bc425a7c08990324dc43413ae0ae3fdab4ca368aed44f15f84d929692942e0a
Markdownc9bd4a941846e21a62d98e884a9127dd647d260495f8166107ea404bca8f2b18
PDF
Publication page4b59b6b58a59ceb85a4e0a6f162fbb8ad38f09f4943eed723aa5f4d1f9747b08
Manifestd95545581696368e14d45da58ed78326f84232f0284d265ffbf03d1b63f58159

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
SignatureEvdsQ29s0eFmSokqpC6g+K8fjYXtw5CDJWefbCWpZLNScf/d6zSWKKBzuiexabrgE4KJIjifuYDxDHPOPb+qBQ==
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

2026-09-17T09:27:45.950900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100840
observed 4b59b6b58a59ceb85a4e0a6f162fbb8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:45.933004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100840/manifest.json
observed d95545581696368e14d45da58ed78326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:45.914944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100840/publication.md
observed c9bd4a941846e21a62d98e884a9127dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:45.897375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100840/publication.txt
observed 6bc425a7c08990324dc43413ae0ae3fd...
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.