OpenTechnical

OT-2026-000060370

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, vented after 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-2026-000060370) never changes.

Identity and time

Publication numberOT-2026-000060370 · never reused
Internal UUID01a0ae8a-5a75-7618-98f0-15d88162b534 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060370
StatusPUBLIC

Content hashes

Canonical text369e89d849bf9ec89a2d84841735fd4b2557ee502f9013b91872999f5cc19d75
Markdown2a35fcb8cfeb4831c57bd0506eb664691260815f7432a6689bf2e1c58c0612fd
PDF
Publication page64e87b4dbd86a771e9af7dfd3c3f14a6e52ccee2e172912c37c55cbb7366429b
Manifest68d321e801ecf7c69e74c6fbcb0c44be150cfbe2c91a19f44e63c92d45b9c539

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
Signaturep18ZEekj5Caxaz/M+gjLDKgHuxvUtpftXrZvdgN1pS3MefKF34kDqD4BPeL3syq0zMVmqYLJvn3vUIuYWoQBCA==
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...

Independent retrieval

2026-09-17T10:44:07.388418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060370
observed 64e87b4dbd86a771e9af7dfd3c3f14a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:07.362532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060370/manifest.json
observed 68d321e801ecf7c69e74c6fbcb0c44be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:07.336867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060370/publication.md
observed 2a35fcb8cfeb4831c57bd0506eb66469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:07.311132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060370/publication.txt
observed 369e89d849bf9ec89a2d84841735fd4b...
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.