OpenTechnical

OT-2026-000022689

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000022689) never changes.

Identity and time

Publication numberOT-2026-000022689 · never reused
Internal UUID01a0ae70-46e9-7b2d-b475-38c25c0df602 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022689
StatusPUBLIC

Content hashes

Canonical textaa95b64cab33cef147e64bf938e881a10b8d8d76a32572843866dc54a2ceefe4
Markdownfaeb9d29821f2e0ff42f7f5f23f89a745245c4d394524f91152db5d5337143c1
PDF
Publication page1798119240e25e71ac7dfd81aeaf15cd6dcd2926106353bdbf2f1a055bc9e0e2
Manifest1628ea674f7925d3776ae52ec0a7d012c4c554cb396838d48dcccf116c95ac83

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
SignaturexOwKFnVWgQgPyzk3TKAJDN9F2RZaR/7hvbwRooqIdffcxtP584BChZVRPPtXznewrjiKoeIPmaIin0q0Z2AFAw==
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

2026-09-17T11:52:04.784718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022689
observed 1798119240e25e71ac7dfd81aeaf15cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.767461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022689/manifest.json
observed 1628ea674f7925d3776ae52ec0a7d012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.751300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022689/publication.md
observed faeb9d29821f2e0ff42f7f5f23f89a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.734313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022689/publication.txt
observed aa95b64cab33cef147e64bf938e881a1...
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.