OpenTechnical

OT-2026-000047725

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000047725) never changes.

Identity and time

Publication numberOT-2026-000047725 · never reused
Internal UUID01a0ae7f-c41f-7f5f-a384-d61d5e56afc3 · 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-2026-000047725
StatusPUBLIC

Content hashes

Canonical text65ba0f3fd67dfce83f2b26be910864305e36db369429b0ff9a4dadc9effc5817
Markdownf932997fe61156d2bbb4c070b51869c44fefdbb02973da3d0e3255d27d11b7aa
PDF
Publication page7b911dd5331b02eef4142d30bfb82f5389f4347561173d8adc2ef0a343745cd6
Manifest8d056e0e096d34b7b09dc5e4e5e4c8a50e42d09a4ea8f63a306506eddb507ed1

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
SignatureM82tMrHrgf2DZHcavNbFmFw3W+VfCTnmq6AU076pbzcEn5F2BqZAgUTiaV4/mMiju4Lzk6Znz/vZeOR33e8YDA==
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

2026-09-17T11:05:35.686525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047725
observed 7b911dd5331b02eef4142d30bfb82f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:35.668543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047725/manifest.json
observed 8d056e0e096d34b7b09dc5e4e5e4c8a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:35.650466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047725/publication.md
observed f932997fe61156d2bbb4c070b51869c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:35.625487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047725/publication.txt
observed 65ba0f3fd67dfce83f2b26be91086430...
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.