OpenTechnical

OT-2026-000023798

Publication integrity record

Foam pad vacuum gripper, two stage ejector, sustained 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-2026-000023798) never changes.

Identity and time

Publication numberOT-2026-000023798 · never reused
Internal UUID01a0ae70-aed5-73a2-80e8-6b6d4e11e564 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023798
StatusPUBLIC

Content hashes

Canonical text36f55a8bc15908203ac8260a493b9817b46b702cc792c5cf5e3cd19e07588f9e
Markdown0fb26b173818044d4cebf49571858172cfec3624e0e7fc54d51f0051e90f68dd
PDF
Publication page0f67c9b8526ccbd9d69ec6eaff84b77877b43a962aa257e6c753fc954e482728
Manifest6b093107841eddc3c28c9fa1274c0b583727e6b90ef9e3de3095c6ed12f1b702

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
SignatureelyRLQbR312Q3vY9C49cmhn6dMo5vCeh6UhOYQkgjgbB3s4PiqN7DNm1Gk5RbGvKhVi5kisHXQ7mpNA9HjLOAg==
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

2026-09-17T11:50:16.481960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023798
observed 0f67c9b8526ccbd9d69ec6eaff84b778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.462584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023798/manifest.json
observed 6b093107841eddc3c28c9fa1274c0b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.443612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023798/publication.md
observed 0fb26b173818044d4cebf49571858172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.425579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023798/publication.txt
observed 36f55a8bc15908203ac8260a493b9817...
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.