OpenTechnical

OT-2026-000057814

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000057814) never changes.

Identity and time

Publication numberOT-2026-000057814 · never reused
Internal UUID01a0ae88-6ed8-7bdd-afe5-494f35fd6c7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057814
StatusPUBLIC

Content hashes

Canonical text58265c2b22d4e6444340c1c75726496cdb7ba041556341d0a8d0549a13b0e147
Markdown6a2a15827790031f6afe5256b2468c97be234ad6fc47cfef4889ce6b09733596
PDF
Publication page9868fe0aa68387d38fe7b51a941d1c0e32dbeaba40dd8c77bb22ba68b4c0113a
Manifest98820a1d04edad1cb9dcd2dfd24bd51e4b29aca7598c89971ab1f42bafcfac28

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
SignaturePHrokWBLeEYVVnTjAtsCMHyZigPD/zPLfK8khgibL0EJCi3Vzm9mYQ47G46NH1xVGPq+1xJEddwMpEmxokR9Bg==
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

2026-09-17T10:47:23.170163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057814
observed 9868fe0aa68387d38fe7b51a941d1c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.150037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057814/manifest.json
observed 98820a1d04edad1cb9dcd2dfd24bd51e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.129877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057814/publication.md
observed 6a2a15827790031f6afe5256b2468c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.110630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057814/publication.txt
observed 58265c2b22d4e6444340c1c75726496c...
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.