OpenTechnical

OT-2026-000010820

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000010820) never changes.

Identity and time

Publication numberOT-2026-000010820 · never reused
Internal UUID01a0ae6c-540c-7418-b0ec-8bffe6c837ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010820
StatusPUBLIC

Content hashes

Canonical text60d91530423c094368a05cc03368418b25f4ba59ce060c96b1af306949b9d3f1
Markdown32efdee5ed6a4d8595145cfbd11710f8407a4d4edf196f26f660650278635dc6
PDF
Publication page9d52655bf39c270bd5f0c1541493d6231dde0869f65229cc1479a2c9ba698f8b
Manifesteb43edb316590140c3f0160d22a2717cd0938cd7d17cc5ed875bacd9dd98cf8c

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
Signatureg0PwT6uhXbaMn/awq8Kw3tupqBSeZ2Myl8b6evnfd23jltX/XTmUC4TDLaqE9fb21wbWgSHfUu4B/XrEFO8aBA==
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

2026-09-17T12:13:33.310813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010820
observed 9d52655bf39c270bd5f0c1541493d623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.292609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010820/manifest.json
observed eb43edb316590140c3f0160d22a2717c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.272377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010820/publication.md
observed 32efdee5ed6a4d8595145cfbd11710f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.252325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010820/publication.txt
observed 60d91530423c094368a05cc03368418b...
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.