OpenTechnical

OT-2026-000044280

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000044280) never changes.

Identity and time

Publication numberOT-2026-000044280 · never reused
Internal UUID01a0ae7c-39d6-7b5a-b7aa-0588337d975a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044280
StatusPUBLIC

Content hashes

Canonical textfb7bd5337b1b1667a40da25a3ed416c6160fa2720585d466a1d2f435ebec94dc
Markdown10dc5625db1198cf5f428bf885c4d5263b235a61e017363dd5d7c424673d6105
PDF
Publication paged6876707bd7db7a61a7fea5a4796669ebe384e81236719c0e52a591c5e6da128
Manifest2858ef034d925724ab262ebfee9bcea0d182d8aded61572eec458c3fc8ecc710

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
SignatureiBJKMzDY8mTrxB8Hc+XRu6Y//dFOoeyAohcaTrlapXcBTy7r4lEI+Wo5nkQ9vhZiRyL+wWNj8C14QfX0k4LmCg==
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

2026-09-17T08:30:12.066881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044280
observed d6876707bd7db7a61a7fea5a4796669e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:12.046909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044280/manifest.json
observed 2858ef034d925724ab262ebfee9bcea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:12.025879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044280/publication.md
observed 10dc5625db1198cf5f428bf885c4d526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:11.821902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044280/publication.txt
observed fb7bd5337b1b1667a40da25a3ed416c6...
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.