OpenTechnical

OT-2026-000058961

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000058961) never changes.

Identity and time

Publication numberOT-2026-000058961 · never reused
Internal UUID01a0ae89-47a0-7201-898f-803698ec11ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058961
StatusPUBLIC

Content hashes

Canonical text65ed2ac35a927ed559854ecbef7288423fee313112c465cc5beb665b775abf81
Markdown06636ab596443dce369e77d720e71cbbfca2c2005550008ad266a4c2756ecba8
PDF
Publication page3bc2f38a2e844516090e4451d0c0002b7f46a706f23ea2848a4d548807d92ece
Manifest7d02c299f250ab14d69fc90e1a39e0bd118f85ddc05b2856cbc80e7d8f9d7109

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
SignatureEmD6SkUpIMOmiJbNvB9uDU2QVVh93QNLd3mNfiT03TY/PiAAWMjJbVQMUQFbZOUYBUaSRXm8NmBg4YCw/df0BA==
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

2026-09-17T10:46:32.375389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058961
observed 3bc2f38a2e844516090e4451d0c0002b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:32.357434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058961/manifest.json
observed 7d02c299f250ab14d69fc90e1a39e0bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:32.335879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058961/publication.md
observed 06636ab596443dce369e77d720e71cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:32.315324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058961/publication.txt
observed 65ed2ac35a927ed559854ecbef728842...
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.