OpenTechnical

OT-2026-000091857

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091857) never changes.

Identity and time

Publication numberOT-2026-000091857 · never reused
Internal UUID01a0ae9d-43ba-7804-8514-a880ed7cdcfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091857
StatusPUBLIC

Content hashes

Canonical textb6c638336fd7c2b6c397d8cca00ffc06c4970bbc74c7535bd37a15ef59ddf6ba
Markdowncc9cb35880bb01b523f339b1cae767bb14970d5a108473d35f3bbc8883b0f44d
PDF
Publication page0f63ab8e326555c22f9445acc002fd86d94204a241a97c84e5134118ab410a42
Manifestf19afbbd001c0e0173a179666e37173dbf36f0375f2f34b3574cb7f529cde19d

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
SignatureWwbssmRvkSYv8iCvZms4sq/JwL6m/uWvLfQjXnG2oFNfLMfTOfUuF1WLI3a+bDPeO4CCf/Imx46b54GvECHADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:46.878041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091857
observed 0f63ab8e326555c22f9445acc002fd86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.860392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091857/manifest.json
observed f19afbbd001c0e0173a179666e37173d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.842077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091857/publication.md
observed cc9cb35880bb01b523f339b1cae767bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.825269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091857/publication.txt
observed b6c638336fd7c2b6c397d8cca00ffc06...
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.