OpenTechnical

OT-2026-000050682

Publication integrity record

Foam pad vacuum gripper, three stage ejector, vented 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-2026-000050682) never changes.

Identity and time

Publication numberOT-2026-000050682 · never reused
Internal UUID01a0ae82-c7b0-7468-a843-fcf9cd8284a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050682
StatusPUBLIC

Content hashes

Canonical text6482bb34569e9a84daf5cdefdb880f74658c27ce4394d816409bfab3c0b07943
Markdown98eb4facbc4e7755cf2d2d8b882a9ed8762e3bf1828fa8566381c1ab13d258ab
PDF
Publication page39a10093a72b4c73a9142a80bd24b9981edd6fe84e235f3f6e648efc03e1e13c
Manifest3223422c5597d182fc0c8a2198703609bad9adcee4bdacff27ef700250969658

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
SignatureuB4GouHFjrGdOuEBWdp0bfo2aJZyyI95atUrVucRLydIDZbXtsNQ+/ks3CiNhVUdqskqcfHbkBiOGD+2gWBqAg==
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

2026-09-17T10:59:23.416154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050682
observed 39a10093a72b4c73a9142a80bd24b998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.398324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050682/manifest.json
observed 3223422c5597d182fc0c8a2198703609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.381300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050682/publication.md
observed 98eb4facbc4e7755cf2d2d8b882a9ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.363330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050682/publication.txt
observed 6482bb34569e9a84daf5cdefdb880f74...
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.