OpenTechnical

OT-2026-000012014

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, pulsed 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-2026-000012014) never changes.

Identity and time

Publication numberOT-2026-000012014 · never reused
Internal UUID01a0ae6d-1943-7231-9531-58bc54722cbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012014
StatusPUBLIC

Content hashes

Canonical text0da71dfa79071dd60ff1ecb4d1dbf36a2c133f05b5197f84886b03faf430b489
Markdowndcff7f78d4b2c312caa2e1d41eafa7c847d926366fef47be4f40629e77d35652
PDF
Publication page1f6e14f67281556ba44185fd0e2131505a3ffb0b5b626e1917e9a89ddadeef37
Manifeste8e999e80bada30f2f3ddc7e8d9858695eb3ab5dea485c0de60479816160967a

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
SignatureUTRfTjAQgYrfYdqNNuE2H6ZPbpJ/NNbQ5a6nWwChPVGHWNBkc8BA+lhUr8cBbd7FE91MSIvb+G/CY0iOwFBZAQ==
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

2026-09-17T08:42:28.270715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012014
observed 1f6e14f67281556ba44185fd0e213150...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:28.003087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012014/manifest.json
observed e8e999e80bada30f2f3ddc7e8d985869...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:27.785953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012014/publication.md
observed dcff7f78d4b2c312caa2e1d41eafa7c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:27.519966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012014/publication.txt
observed 0da71dfa79071dd60ff1ecb4d1dbf36a...
fetched by grabo-systems from 34.44.131.203, 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.