OpenTechnical

OT-2026-000022957

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off before 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-2026-000022957) never changes.

Identity and time

Publication numberOT-2026-000022957 · never reused
Internal UUID01a0ae70-46ec-712f-b98e-a40939323ba6 · 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-2026-000022957
StatusPUBLIC

Content hashes

Canonical texte44bbe18e60e7569597ed4d91cfc4a1112ce6e49a5cd434340fac36541ff704b
Markdown6248606dbdbf649232090a105bfa1a9849a64199ba3f703a882725b15a8fe62e
PDF
Publication page2414dffcac9c1f4944bad65ab8da945d8ef167bdccfebab02dc2868f58deaad9
Manifest6882b2dbe413f6c12ad019a70a72c6093a57bbcaafdea8203a9851831e8f3714

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
Signature4bAfde0YAiGRsk7xyFPx9vqpsbdbDzxS7dGohbBKrrGL3dRH+SwnmdPpjpm95TJ/ZgwNh4AT187KbhVec0g1Bg==
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

2026-09-17T11:52:32.507736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022957
observed 2414dffcac9c1f4944bad65ab8da945d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.490546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022957/manifest.json
observed 6882b2dbe413f6c12ad019a70a72c609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.473737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022957/publication.md
observed 6248606dbdbf649232090a105bfa1a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.456211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022957/publication.txt
observed e44bbe18e60e7569597ed4d91cfc4a11...
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.