OpenTechnical

OT-2026-000050602

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000050602) never changes.

Identity and time

Publication numberOT-2026-000050602 · never reused
Internal UUID01a0ae82-5c4a-7863-9e1d-5a4a6b9b99e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050602
StatusPUBLIC

Content hashes

Canonical text8c4bd5e048a8f03f5c5856919ec0abed3507b5580fd7ab96b1122ed6104911aa
Markdownea33dc4378995f183f82cd028ac622ef0d1dd5925bb68510f772ac10d440c046
PDF
Publication page909fe1d91ca0ec4e2de58bab7d4219a2d8f7771959c62c50751e3ca309da64ef
Manifest4abe8fb1c5fd1d01f669634e4271ce59796eff5a782d54e98ae71f2e10b66686

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
SignaturedMDUEIrQjZog1iTUz6JOQtR1LZ/5LSjPB3TNFLhyzyEJNK5MHERt1tWlQ9IH+DJ2ukl/5qrFMEX+qRHTit44Dw==
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

2026-09-17T11:01:42.527865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050602
observed 909fe1d91ca0ec4e2de58bab7d4219a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.508740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050602/manifest.json
observed 4abe8fb1c5fd1d01f669634e4271ce59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.491337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050602/publication.md
observed ea33dc4378995f183f82cd028ac622ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.474492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050602/publication.txt
observed 8c4bd5e048a8f03f5c5856919ec0abed...
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.