OpenTechnical

OT-2026-000098720

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000098720) never changes.

Identity and time

Publication numberOT-2026-000098720 · never reused
Internal UUID01a0aea2-42ae-7a05-a280-1c5eaf07e7f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098720
StatusPUBLIC

Content hashes

Canonical text2f0268010174a93838cea64b7f79e174504c4dd48c6f7db677d8479381e0b1f2
Markdown3946ec5f91029f72d77149d1c1b0f905b8e6c0af6212f5d451cc43b96f404549
PDF
Publication page81a7a855adf19d201f89d49814fb594e574867460c5e077d9a2cafa1e2e83f2c
Manifest0db6fb166e13e45c9f0b0fd4bd5790d912ddd56101d6206d6b43517ec38fb5d0

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
SignatureWi5VLfU/oH1iCS9LGP0YlDSolv9q0/r7AlBKpItu8hK9F6XCpYq06cge6F9k1ZrAI7JyMjPNIklofNLfY/R6Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:01.811886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098720
observed 81a7a855adf19d201f89d49814fb594e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:01.794102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098720/manifest.json
observed 0db6fb166e13e45c9f0b0fd4bd5790d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:01.778349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098720/publication.md
observed 3946ec5f91029f72d77149d1c1b0f905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:01.759758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098720/publication.txt
observed 2f0268010174a93838cea64b7f79e174...
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.