OpenTechnical

OT-2026-000042593

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000042593) never changes.

Identity and time

Publication numberOT-2026-000042593 · never reused
Internal UUID01a0ae7a-c0ce-7151-8736-4215fc0a751d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042593
StatusPUBLIC

Content hashes

Canonical textfbf0275d8ba23cddbc2f685d8bff7a4d525a08a5fa0158a56fda256167f134bb
Markdowne4cf712e7c2594496d29124f91b8eee2ed1e439c1ea255c99aa2ae3f5fbbdd1e
PDF
Publication page9ee6b355998d586790f2686320618fa5857323b84b45b0fde6046c2a6278376e
Manifest47496984ecc7624a741430233cbe789ca6015f412068a83066104ba4413869e5

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
Signaturec3UUzvEYxw1jLR8AgnEImHQGPHENg74894/BODej7+HM55+AjlKaj7IetkeTONIhiT2eSTAiCJUjwZPgdLrlAw==
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

2026-09-17T11:14:18.904727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042593
observed 9ee6b355998d586790f2686320618fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:18.887832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042593/manifest.json
observed 47496984ecc7624a741430233cbe789c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:18.867436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042593/publication.md
observed e4cf712e7c2594496d29124f91b8eee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:18.848903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042593/publication.txt
observed fbf0275d8ba23cddbc2f685d8bff7a4d...
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.