OpenTechnical

OT-2026-000075027

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000075027) never changes.

Identity and time

Publication numberOT-2026-000075027 · never reused
Internal UUID01a0ae93-ac2d-7032-be21-fed541bb964e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075027
StatusPUBLIC

Content hashes

Canonical textfb8af1b3c0108951027fda95b77180da6917fa4116053f5101eb6aceae8517b8
Markdown40256d3d0cd16cc1c0811d4a6ed765e85d3dcaf61e6db9f0926768da4585cec5
PDF
Publication page76f05255bdbde8fa0f5b6eb38a8808ae0b576f3e1564b32bc7cb9ffdb4585121
Manifestf776ba781893d9f39a0345b1bd7ca4ca7d205c0eb4c17ae440e9ca3b8713799e

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
SignatureW/EpZ26Gu8zhrST/fv+MFNxcFBgzy8C7MZAt2FVobu1gTc1SknRIKYYDZko9KL6URY2mbyezc/70wfX0d3LCDA==
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

2026-09-17T10:18:50.368362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075027
observed 76f05255bdbde8fa0f5b6eb38a8808ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.352928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075027/manifest.json
observed f776ba781893d9f39a0345b1bd7ca4ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.336687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075027/publication.md
observed 40256d3d0cd16cc1c0811d4a6ed765e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.320473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075027/publication.txt
observed fb8af1b3c0108951027fda95b77180da...
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.