OpenTechnical

OT-2026-000018155

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000018155) never changes.

Identity and time

Publication numberOT-2026-000018155 · never reused
Internal UUID01a0ae6e-b488-7d1c-a5b3-989016ec1b77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018155
StatusPUBLIC

Content hashes

Canonical text1d0b16883fa7d934a4299cab7d93859464900bb6b053a3a57341161aafe8ac69
Markdown37191a6ad2621951a2eacc8814ee7624dc175d3f410425332c2f112eebaf3a7a
PDF
Publication pagef97a49ebe19500a54d914e824184d5a4d2862fcbf61f3f193d3b3b77cca436d5
Manifest4a47c883e96addba3396d7acc2fc80064aee3402f4ff1d4206ee437c6c7dd43e

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
Signature/E9/opA1z2nCLXZ0bV0B1hoRnaITjPcq7wQpI2Ewg2J29X7iKlA9xKkt/3tMY/3N/fOkJVOy0tBGjfBgJK8ZCw==
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

2026-09-17T11:59:54.408414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018155
observed f97a49ebe19500a54d914e824184d5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.389345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018155/manifest.json
observed 4a47c883e96addba3396d7acc2fc8006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.367515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018155/publication.md
observed 37191a6ad2621951a2eacc8814ee7624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.348948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018155/publication.txt
observed 1d0b16883fa7d934a4299cab7d938594...
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.