OpenTechnical

OT-2026-000026553

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000026553) never changes.

Identity and time

Publication numberOT-2026-000026553 · never reused
Internal UUID01a0ae71-f4a9-7423-8349-25d859dcdb99 · 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-2026-000026553
StatusPUBLIC

Content hashes

Canonical texta9d70c9a01d602b5571ea6b8b8693d5d679151c13a841d5a755dd5aa09ce3af9
Markdown09221314ac6fd1e531e3d4e9c5091b049e1ef36bbc0e5f99f21a76867e8ae978
PDF
Publication page2de8331b3689d902e5f475b3ab405d4ad99bcee1f8b448e5d7823e73c5d99f51
Manifesta264f3c6e19ff9669187cf6af335e527d7890634e45a33678fc1e883fdb5ab47

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
SignatureQCNiGnqepF3+a+c2AUFrsJ/Q7mJmJl/w1i1Z8FrqWDhnQhLVDfr1bLvAcRMk/SRkmYuzVxuwWYkxP5TMz9v7Dw==
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

2026-09-17T11:44:40.925504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026553
observed 2de8331b3689d902e5f475b3ab405d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.907673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026553/manifest.json
observed a264f3c6e19ff9669187cf6af335e527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.891433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026553/publication.md
observed 09221314ac6fd1e531e3d4e9c5091b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.873681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026553/publication.txt
observed a9d70c9a01d602b5571ea6b8b8693d5d...
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.