OpenTechnical

OT-2026-000069915

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000069915) never changes.

Identity and time

Publication numberOT-2026-000069915 · never reused
Internal UUID01a0ae91-1860-7ddc-9bc9-bd7e13392b55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069915
StatusPUBLIC

Content hashes

Canonical text9dcf003508fb1515fe45ca40e1230b88c3b69fdc9ec17e36b3f8b3a3997d6e95
Markdownf7704dacc018b82e3b117e476dc32f0cb721475fbf077bf00b925fcb7631802d
PDF
Publication page26a86ee374c5519ce266e70ac95487414eee111ae7f7d78e7a0f25d2ce4e6c0e
Manifest75a2007b0eddcc1f7cba67ab89bec6d861a6f25b58a74082b8b1e2d076d08372

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
Signaturerk02dw7qJXN0PEqKPItRzG4eTHMmYLzTdZ3FIeLyX9nOZj+y0NNd7Ie8a/PtxSAgjuFpbstYeStf+uQATpwNDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:51.173737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069915
observed 26a86ee374c5519ce266e70ac9548741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.136950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069915/manifest.json
observed 75a2007b0eddcc1f7cba67ab89bec6d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.118531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069915/publication.md
observed f7704dacc018b82e3b117e476dc32f0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.079577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069915/publication.txt
observed 9dcf003508fb1515fe45ca40e1230b88...
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.