OpenTechnical

OT-2026-000061197

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000061197) never changes.

Identity and time

Publication numberOT-2026-000061197 · never reused
Internal UUID01a0ae8b-1380-739a-8149-e43b3a8dfc8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061197
StatusPUBLIC

Content hashes

Canonical text902af1d1cb3e874b368076901f843e4de34feb9e56cd34e62d8c8a4edb94bfde
Markdown92468d2196ec087db9ada7180ce3d05b8ad9a9a9ba0a77c863d69427c5b52156
PDF
Publication pagee706f670f016b11b5ee11a8eb1b4d8d7d44c3705769b09609ad4d6247b39fc43
Manifest2f19b9b79d6b86da00a8bcf68b91d67df59e58875da0f25cb9a2ce8909d85f14

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
Signatureq5HqtSdJpRUz9G5Nc9cvOyU2hMz0XdGsIcAJ6jZTTX+RYp7R+3WidHXDvZCilJVfh0Ft99YW8uCuO8eutOVADQ==
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

2026-09-17T10:42:35.697871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061197
observed e706f670f016b11b5ee11a8eb1b4d8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.678436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061197/manifest.json
observed 2f19b9b79d6b86da00a8bcf68b91d67d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.659813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061197/publication.md
observed 92468d2196ec087db9ada7180ce3d05b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.642262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061197/publication.txt
observed 902af1d1cb3e874b368076901f843e4d...
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.