OpenTechnical

OT-2026-000026573

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000026573) never changes.

Identity and time

Publication numberOT-2026-000026573 · never reused
Internal UUID01a0ae71-f4a9-7b2a-aaaa-56e091d3c1b0 · 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-2026-000026573
StatusPUBLIC

Content hashes

Canonical text513b9d274802bc6b340069370b7912d7efb288ceb0c6a0a290b04a44049725d8
Markdown4f9631d0def8cfb3bdcbc5402b630cc7232ab59e142b24934d4985323ed42ad6
PDF
Publication page08b0ad0f31894802cd08cc5c36f53c819c51f12f891329646a3252c72d8bbb94
Manifestc2a1e652618f771bc5584b09606dd38f7090954c591af5f234959cfaca0cc401

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
Signature7gGPX2hPu8KhXIBVQT0PEv1NIoFWNv2FLBsQqfzgjdebgOOBXTwp4LxNmdaUusupdzXNx7scFTf4SIsWMLhpDw==
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

2026-09-17T11:44:42.167868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026573
observed 08b0ad0f31894802cd08cc5c36f53c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:42.149406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026573/manifest.json
observed c2a1e652618f771bc5584b09606dd38f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:42.131494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026573/publication.md
observed 4f9631d0def8cfb3bdcbc5402b630cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:42.111332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026573/publication.txt
observed 513b9d274802bc6b340069370b7912d7...
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.