OpenTechnical

OT-2026-000026590

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000026590) never changes.

Identity and time

Publication numberOT-2026-000026590 · never reused
Internal UUID01a0ae71-f4a9-7bd9-934f-6f65f2a787cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026590
StatusPUBLIC

Content hashes

Canonical text1dd25531dfaf676fe7e67a44c95ec88c2c295c8d3c29a969073459bc14e8ec90
Markdown191ed0dfa505515e5c43affc0b54138d3093d86e71f39f46cdc0cce44f351107
PDF
Publication pagef0ef0d271df16d638e41c8f5d8f6c901cc2b5ab396d544b0842a89c654abb68d
Manifest3d51d6941f194c1a575176932d11b50bee9c88f97c91b0fd763a3bf8612f485d

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
Signaturehi7EN+Uqhkvfq+FgFFH0v2Pp/C6ciTe+3jP8DOF7zooDP94Y6+VauyRz02U+t0QQqIW2g7II3+/SV8RpYUt/CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:39.359679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026590
observed f0ef0d271df16d638e41c8f5d8f6c901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.335609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026590/manifest.json
observed 3d51d6941f194c1a575176932d11b50b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.311572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026590/publication.md
observed 191ed0dfa505515e5c43affc0b54138d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.293518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026590/publication.txt
observed 1dd25531dfaf676fe7e67a44c95ec88c...
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.