OpenTechnical

OT-2026-000019627

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000019627) never changes.

Identity and time

Publication numberOT-2026-000019627 · never reused
Internal UUID01a0ae6f-1fb3-7c33-ab9c-f69f6509c8e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019627
StatusPUBLIC

Content hashes

Canonical text6d13068464dab243cf2e476e02d6c9328daffdce2ea37b6b71c0f7dbca635459
Markdown392f86ca7def59bca82a0e606eb7b412d941c2bc0077d4284a1aabc63805b605
PDF
Publication page1e90aeb7fa65eb0e958850942ce873729e99f21c66abb758329fed2182df5044
Manifestab2ab5afe94f43611c4cade1a762b201a24fecc387d49c24d9fa415a5996fe36

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
Signature/NF7x6/e8/ZSYFAYb3KiCK4wND94mhGR81VpK2RFG29Z5cdzIsWEQLYAHmaf/+7y/TnSMXroIv+eklF2kLGLBA==
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

2026-09-17T11:57:40.942362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019627
observed 1e90aeb7fa65eb0e958850942ce87372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.924020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019627/manifest.json
observed ab2ab5afe94f43611c4cade1a762b201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.906067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019627/publication.md
observed 392f86ca7def59bca82a0e606eb7b412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.888840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019627/publication.txt
observed 6d13068464dab243cf2e476e02d6c932...
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.