OpenTechnical

OT-2026-000058532

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000058532) never changes.

Identity and time

Publication numberOT-2026-000058532 · never reused
Internal UUID01a0ae88-f39b-7362-9b3a-249243d80e4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058532
StatusPUBLIC

Content hashes

Canonical text92c5a69c972f8175df3d237e02a011776e90a5aa5503b20661ff612f8c772294
Markdown6c16d7d20aa8cd57f0f7740e739d974b0cab0b66e0ef420b1fc585d297bc092b
PDF
Publication page23187ed656bc83ade9113259600a656426c10570afcd652c3e4dbcb33ae5d532
Manifest1df3bf3f96c7a8519cf298dd314aff23f10703c87d5f16ff2110981ff07b927c

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
SignatureEnhDbuB5A/ap2aNxBQvx8lzolnLtuycBP7UfLOx2/QcqGeZpiRGlqjJWh+QxyBzdw6qTJdiR/07m8Tae55IsDg==
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

2026-09-17T10:46:59.663319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058532
observed 23187ed656bc83ade9113259600a6564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.647012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058532/manifest.json
observed 1df3bf3f96c7a8519cf298dd314aff23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.630252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058532/publication.md
observed 6c16d7d20aa8cd57f0f7740e739d974b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.612717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058532/publication.txt
observed 92c5a69c972f8175df3d237e02a01177...
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.