OpenTechnical

OT-2026-000053719

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000053719) never changes.

Identity and time

Publication numberOT-2026-000053719 · never reused
Internal UUID01a0ae85-735c-75fc-a430-ca13cb1d71a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053719
StatusPUBLIC

Content hashes

Canonical text6689fca4ba5a857d4fb8108155e551b66d95df9b06d06787d85be570338f8d5b
Markdown3aaa3818d1c0ddbc9e469a599d1e9916ef8aa7d081ae6731e6dd63a7226db9c4
PDF
Publication pagea723836760a9d06b9f798239e6a3ef6eb7e5f21ade5f7b02926999ad650e5667
Manifest45cdce098e7692ced2797ad7c478bea09d6a39841e3fb24aab7a7c02d39bafed

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
SignaturehcnS9f9tj/oQc7ZMZrg15QYEd6uXhMt7LEiczqfmNCpYMESAKmSYDCAKWpYgNmOwhWb+2GwlUDiZvLLLXTIIAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:16.753676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053719
observed a723836760a9d06b9f798239e6a3ef6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:16.733984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053719/manifest.json
observed 45cdce098e7692ced2797ad7c478bea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:16.713188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053719/publication.md
observed 3aaa3818d1c0ddbc9e469a599d1e9916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:16.567105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053719/publication.txt
observed 6689fca4ba5a857d4fb8108155e551b6...
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.