OpenTechnical

OT-2026-000027952

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000027952) never changes.

Identity and time

Publication numberOT-2026-000027952 · never reused
Internal UUID01a0ae72-a51e-7c48-a967-a77bc7fc47fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027952
StatusPUBLIC

Content hashes

Canonical text52e132ce26ad4bc2186f13e69b10c8271dfed934afde2ae4f8efe1e5761806f1
Markdownc0409d1f16a73a8c5f59597e9cf042937040826a1fe13bb95454020f12974630
PDF
Publication page84badc9a8ca9a6d2e98359aaec642f22178d44707822128438b11d1b0585d0fc
Manifestadb97c3ef85736794c0adb4abaf4c58390e17210abf5f0e341c9d1eb920e2bb7

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
Signaturex/xha2xon0TVJhUbHv9Nu5u25lTWvq54khBxWazaorf7RjZKMU+hbO0H+39nUCyxMqKDs/nq8xNLC56cBHFPDA==
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

2026-09-17T11:42:08.261295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027952
observed 84badc9a8ca9a6d2e98359aaec642f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.243584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027952/manifest.json
observed adb97c3ef85736794c0adb4abaf4c583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.225178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027952/publication.md
observed c0409d1f16a73a8c5f59597e9cf04293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.206022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027952/publication.txt
observed 52e132ce26ad4bc2186f13e69b10c827...
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.