OpenTechnical

OT-2026-000030154

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000030154) never changes.

Identity and time

Publication numberOT-2026-000030154 · never reused
Internal UUID01a0ae73-e500-709d-9b6a-e12a6ccae7bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030154
StatusPUBLIC

Content hashes

Canonical text62f22805cd15960ae3d026cd1bbe2eb51495ed8220ceeb9332d7c9207f05b67c
Markdown915e272a3677df9c300682b9e1f6aa908de82c2db0d97e8048f4fe07b5ff4e0b
PDF
Publication pagec1f4a95c6ea6c381955db76f939acaa228be7ef7065807ae1d32fef3d7eecd02
Manifest929dabf090a61153c3d2901dd4c91ac0c5881671e40707cf92e101b556a40df5

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
SignatureUP5+uAKFJ26A9v8ScWB4p6Slfk4GPEjbrhDomLaAFl4TUAkp3OlXaKeFtPqnz+vZEUr2HY3j/iqszH2UTUZ+BA==
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

2026-09-17T11:40:24.057623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030154
observed c1f4a95c6ea6c381955db76f939acaa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.041439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030154/manifest.json
observed 929dabf090a61153c3d2901dd4c91ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.020497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030154/publication.md
observed 915e272a3677df9c300682b9e1f6aa90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:24.002172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030154/publication.txt
observed 62f22805cd15960ae3d026cd1bbe2eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.970754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030154
observed c1f4a95c6ea6c381955db76f939acaa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.949932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030154/manifest.json
observed 929dabf090a61153c3d2901dd4c91ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.931894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030154/publication.md
observed 915e272a3677df9c300682b9e1f6aa90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.915308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030154/publication.txt
observed 62f22805cd15960ae3d026cd1bbe2eb5...
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.