OpenTechnical

OT-2026-000085759

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000085759) never changes.

Identity and time

Publication numberOT-2026-000085759 · never reused
Internal UUID01a0ae99-e828-74c0-b3de-987e108c967f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085759
StatusPUBLIC

Content hashes

Canonical text673009e581a21475a03aad25d20d6a2d3da2844407064abc21026b63ef53a43e
Markdownfbece136f1a051de7968ce3995a581c242fe99e2474669f589063f504ae166cd
PDF
Publication page864a2026afd71dc542cdd6eb66db20d5b2b11f1960d1e6c7660ef23ffed2e14b
Manifestbc60995be5e3cdf271f3cdaf129450d9dbb5a4c86a2e87e0ed04a18a5529cebf

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
SignatureJVMB+TTGABLgCJp5LJGGB1G29GotnWO7FX+WHmyW491IaJZlx/UxURvgn2LdOH+7p5pw25O6mpNFNdEUAm7uDA==
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

2026-09-17T09:52:38.935218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085759
observed 864a2026afd71dc542cdd6eb66db20d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:38.918956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085759/manifest.json
observed bc60995be5e3cdf271f3cdaf129450d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:38.901875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085759/publication.md
observed fbece136f1a051de7968ce3995a581c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:38.884207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085759/publication.txt
observed 673009e581a21475a03aad25d20d6a2d...
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.