OpenTechnical

OT-2026-000023229

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000023229) never changes.

Identity and time

Publication numberOT-2026-000023229 · never reused
Internal UUID01a0ae70-7267-74ca-9b2a-04bd9bf1bca7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023229
StatusPUBLIC

Content hashes

Canonical text668d0a3895415b0cc7e59bb299b4f8f9aa46966c64015f282f979c05e2be6354
Markdownb760f05aea5f0439931adcd672648cd8edf9818aa748a2d55f62830fb7256bf1
PDF
Publication pagecfd62dd0aef7adb3fa9b25d5fe9899423d100e935e6ca43195f4e962387eed2e
Manifested000ed44feea4f363e6c9cbd4f3194d3aefa4eaa9dfb3e0a8bf93c08c88310b

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
Signature1YdpdDCpiEEh45I3VTIBpq3Vwt6aoxp5yEUp6uh13OSD4QkkKu/mHWu16SgmYg1u4gstgcsxlxBMmn41mXkmAg==
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

2026-09-17T11:51:17.295976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023229
observed cfd62dd0aef7adb3fa9b25d5fe989942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.274439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023229/manifest.json
observed ed000ed44feea4f363e6c9cbd4f3194d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.255322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023229/publication.md
observed b760f05aea5f0439931adcd672648cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.236192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023229/publication.txt
observed 668d0a3895415b0cc7e59bb299b4f8f9...
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.