OpenTechnical

OT-2026-000056045

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000056045) never changes.

Identity and time

Publication numberOT-2026-000056045 · never reused
Internal UUID01a0ae87-0a4b-7757-b3be-e548b003cf81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056045
StatusPUBLIC

Content hashes

Canonical text9ebc0a37fcdb8a0c25182804716b13e7bc42c2b70385ad64e1d9c11fe6c14ba4
Markdownba811ba620036941607e5619d9ce90c9a353c21a1d71d9bbed90c6105b9b7de1
PDF
Publication page52356c43b0468119af1e77072741cde9009c252e94422efd4bc91deab7822dde
Manifestfc7cdd3dfe633c54dbed66cd4b45e2c238e6d9d41d0fd926ff65e38b5268a6de

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
SignatureJBdrRea6cdpSEbbXaDwF55/sCzCUq4GOZNkiSXxcUs0Rv9RYnp2jB+APmQ9QTRTxDIZ6wzVPCzHWHxUxJ6/VAw==
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

2026-09-17T10:51:34.617906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056045
observed 52356c43b0468119af1e77072741cde9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.586834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056045/manifest.json
observed fc7cdd3dfe633c54dbed66cd4b45e2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.567689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056045/publication.md
observed ba811ba620036941607e5619d9ce90c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.535784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056045/publication.txt
observed 9ebc0a37fcdb8a0c25182804716b13e7...
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.