OpenTechnical

OT-2026-000057565

Publication integrity record

Single cup vacuum gripper, pump 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-2026-000057565) never changes.

Identity and time

Publication numberOT-2026-000057565 · never reused
Internal UUID01a0ae88-2693-7ee9-9dbc-c862947d5aff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057565
StatusPUBLIC

Content hashes

Canonical text8183169700041634f1fdcbfd07d1fd8b04d3fe1c8e6fe4c64aedc714d00dfaa7
Markdowne302c83bc500eb81be77eb5544bf3d6b44bb53f38cdde007d66205461fa6fb43
PDF
Publication page7960bfd49ed6a83f254932eb60516ce50b1d7de93451b7af43c0657c6820e11b
Manifest4d5981ef029a76fe581601ad6bf2c43a4435465bad16469d43a91b37b898e0fd

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
SignaturefKsYq6VgCBzvSPiQa4qRxqTUPmlOK10dWYATvCixINDB0DOWTUXHWCAvpBKBK7SsXL/fqm9e/VrLO4eLfw8FCw==
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

2026-09-17T10:48:06.494595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057565
observed 7960bfd49ed6a83f254932eb60516ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.478273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057565/manifest.json
observed 4d5981ef029a76fe581601ad6bf2c43a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.460323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057565/publication.md
observed e302c83bc500eb81be77eb5544bf3d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.442805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057565/publication.txt
observed 8183169700041634f1fdcbfd07d1fd8b...
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.