OpenTechnical

OT-2026-000015055

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed 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-2026-000015055) never changes.

Identity and time

Publication numberOT-2026-000015055 · never reused
Internal UUID01a0ae6d-d096-7fd9-a007-d1249b2e0394 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015055
StatusPUBLIC

Content hashes

Canonical text76228ca67b08970570e2a1c66d0b18dd472d73d0e72e374f466d20e3d6e37b55
Markdowna76e2a88053e33c73084bcab580d79518346baab0a8de05152ef5d02d8367638
PDF
Publication pageb91acf6a5462527f9d880d113248291f4597957bc794f76c16f5c77dac5be253
Manifest6ec317aacb2f338f9f0ba48a97c1f2e19d51642751581125e88325b2ad38cbf1

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
SignaturegMFfYtg1lAzNN/sx94bGbcy8v4CMLjbSpiWLDtkQk9JBoaFgVggKEVO+SMAPZ9AAQgtQ3v7kyyaxaMLHq2BODA==
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

2026-09-17T12:07:02.567845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015055
observed b91acf6a5462527f9d880d113248291f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.549351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015055/manifest.json
observed 6ec317aacb2f338f9f0ba48a97c1f2e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.528388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015055/publication.md
observed a76e2a88053e33c73084bcab580d7951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.509966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015055/publication.txt
observed 76228ca67b08970570e2a1c66d0b18dd...
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.