OpenTechnical

OT-2026-000043808

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000043808) never changes.

Identity and time

Publication numberOT-2026-000043808 · never reused
Internal UUID01a0ae7b-d676-7601-87a3-34e62739445a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043808
StatusPUBLIC

Content hashes

Canonical text8cbec5b10beb040915f7683fa6196664d6f15cf6afc3a978ebc6f8484cc22468
Markdown7ddacc73eb309162c629a0e5437c075d114a3a896c1ffe755f4b4ac07250b298
PDF
Publication page57246ab2397f654256a7423cd3a80db1f58fb301e84dc225477648a0a10f941b
Manifest22fe8a370dd9caeab9e00d71d2388685fed8c0e16a20115060c5005fa76a20be

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
Signature/V4w7el4xG09xiFUz3ND57DdlMns9/UZdFT/O54SVz7Q2Nqr56rdeg8qe8KW+e+WajW9EKCVtJbl8fu7y304DA==
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

2026-09-17T11:12:06.761460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043808
observed 57246ab2397f654256a7423cd3a80db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.744066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043808/manifest.json
observed 22fe8a370dd9caeab9e00d71d2388685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.724232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043808/publication.md
observed 7ddacc73eb309162c629a0e5437c075d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.703533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043808/publication.txt
observed 8cbec5b10beb040915f7683fa6196664...
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.