OpenTechnical

OT-2026-000026653

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000026653) never changes.

Identity and time

Publication numberOT-2026-000026653 · never reused
Internal UUID01a0ae71-f4aa-7bc6-95c1-5e0c2a572d5b · 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-2026-000026653
StatusPUBLIC

Content hashes

Canonical text9ff8f3defb2bfacf542a8dc1b2ce0147a62ef0edcbebbb9964eb631de5dea07a
Markdown49970321642870d38e7c0a7f821d1c07b378187b3fd97f3693b9fe5057a926f5
PDF
Publication page40f3c7e2a7ddada1afccd8d46f30e5aa6b203d052b38ee1624ead6e798a42539
Manifest10dbb57f7ba503a4f4555b0cd134e95096bf71a10684c3cc3c40e915bfd0b193

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
SignatureYm4biVF/pUwej9XP5493zlYHPYxM3l8+w+CRSWPxhOlcXFxLRN0aHy4JWHPjGW8LmrPB0VM1RAH02/5/LyWVAQ==
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

2026-09-17T11:45:44.024907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026653
observed 40f3c7e2a7ddada1afccd8d46f30e5aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.006693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026653/manifest.json
observed 10dbb57f7ba503a4f4555b0cd134e950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.987921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026653/publication.md
observed 49970321642870d38e7c0a7f821d1c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.971489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026653/publication.txt
observed 9ff8f3defb2bfacf542a8dc1b2ce0147...
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.