OpenTechnical

OT-2026-000048053

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000048053) never changes.

Identity and time

Publication numberOT-2026-000048053 · never reused
Internal UUID01a0ae7f-c423-7235-b200-fe0179989f8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048053
StatusPUBLIC

Content hashes

Canonical textdfe6ad820bc6eaf125f0e783e9da858150bbb470d25258558dc2159c1e63b418
Markdown679e49430c6b8353b7bbe78ee5928ff36c49e751a1856f1d999b5f615f4c90d1
PDF
Publication pagefc0d35b2fd3210b40d3e0d62d4f7523239c20296ce46ed682a32c09a88826c78
Manifestdf5a7103efa29480522f70201ae2b6adf272123bad70abc39d76a2d69c31b17d

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
Signature2vndSynfG7edtiZBbb+S/hqJ3WtIMKu6pQ5Ln/oHqZxJNqR383eWwY/VPLyZnteCtfirm/yxscocK3pKJlQyAg==
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

2026-09-17T11:06:03.609146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048053
observed fc0d35b2fd3210b40d3e0d62d4f75232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.590643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048053/manifest.json
observed df5a7103efa29480522f70201ae2b6ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.571967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048053/publication.md
observed 679e49430c6b8353b7bbe78ee5928ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.553514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048053/publication.txt
observed dfe6ad820bc6eaf125f0e783e9da8581...
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.