OpenTechnical

OT-2026-000057746

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000057746) never changes.

Identity and time

Publication numberOT-2026-000057746 · never reused
Internal UUID01a0ae88-2696-73ed-8d2d-6e7f326357f0 · 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-2026-000057746
StatusPUBLIC

Content hashes

Canonical text973cc75c7cfb3cfbaf109c17d1627f9fbab26db9b7a9dac068f4201b93cf633a
Markdown3ace7943edfb35ea3cc37a099c3d1d0d316e050a999f52acd0c0a93ddc7a7c60
PDF
Publication page51062d5614db4e0a6229ee90d17eeeee060e93a362bc31dcb0de2c08d93465e2
Manifest3acd9cb4bbcb0984a955da39f5f72b0ab26bd3efadc6af9ee57761e6e3c116ff

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
SignaturebWTK8Yx+fXKFhI9zY7pMQIe/Y/UxVr7/VqiLU+/QiuKwIXHAlK0ZkLh6PEfiS+QDGCI6Sn1kh788MDkwy44aDA==
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

2026-09-17T10:48:25.467047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057746
observed 51062d5614db4e0a6229ee90d17eeeee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.447414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057746/manifest.json
observed 3acd9cb4bbcb0984a955da39f5f72b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.428400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057746/publication.md
observed 3ace7943edfb35ea3cc37a099c3d1d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.407967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057746/publication.txt
observed 973cc75c7cfb3cfbaf109c17d1627f9f...
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.