OpenTechnical

OT-2026-000052626

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000052626) never changes.

Identity and time

Publication numberOT-2026-000052626 · never reused
Internal UUID01a0ae84-573b-741e-aac6-aafb6eca5778 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052626
StatusPUBLIC

Content hashes

Canonical text3c05d31b0dc119631d9d334c8de421823fc19df2cede8c51e2c5b65f74ea6c66
Markdown539aa60456e31d0933f4a7a39a678d8bab1eddb5f91fc40b510473e27710e27d
PDF
Publication page50a7930877d148c97892716367bf3c2e627e15755ae44765511f7a239a85573a
Manifest00c0fb716550dffdb1b5f3ec705a6e820134d55fed8367934f2b0fbbcb6dbb85

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
SignatureK5J3KfKw9Rz+VbFRLkSaAeCam4zdMWHRxrtF41N3j4Xv1Veep5/T2XdThsCdifAIl8eHsNIyNNM/KhGNFDziBg==
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

2026-09-17T10:57:18.012832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052626
observed 50a7930877d148c97892716367bf3c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.995148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052626/manifest.json
observed 00c0fb716550dffdb1b5f3ec705a6e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.978556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052626/publication.md
observed 539aa60456e31d0933f4a7a39a678d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.963202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052626/publication.txt
observed 3c05d31b0dc119631d9d334c8de42182...
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.