OpenTechnical

OT-2026-000009504

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000009504) never changes.

Identity and time

Publication numberOT-2026-000009504 · never reused
Internal UUID01a0ae6b-7562-7de3-86f9-f57b787162c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009504
StatusPUBLIC

Content hashes

Canonical text33a0659db8bc73789026eb89f2cbf2f88b357b02254c62488c30e606ef9b861f
Markdown6003223c1c71a0848b27eed93ee7f085f0aff6d09c652fc177e8d77d3687501a
PDF
Publication pagec99bb5ad3165dec1a4e9d37b0fbbc0670be5dfe8ed7b06e17a8997aeb817bd57
Manifest29374138a433a067182ffc7dc0befcafa0fbece9d566b029d931d269a90cf62f

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
SignatureoucllBlKJHt3+CWZ/Ur0ssH47YEj/HJm6YiMO/GnJx1I1+6zWrBxoBkpcwi8rrynwLEjZMccqP8Zeg/Y/YulBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:54.747173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009504
observed c99bb5ad3165dec1a4e9d37b0fbbc067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.729587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009504/manifest.json
observed 29374138a433a067182ffc7dc0befcaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.708753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009504/publication.md
observed 6003223c1c71a0848b27eed93ee7f085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.689650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009504/publication.txt
observed 33a0659db8bc73789026eb89f2cbf2f8...
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.