OpenTechnical

OT-2026-000023521

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000023521) never changes.

Identity and time

Publication numberOT-2026-000023521 · never reused
Internal UUID01a0ae70-7269-7884-9af4-8936f396deeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023521
StatusPUBLIC

Content hashes

Canonical text7fd3c18e4d539d85137a2ae694b28ef5887bd34839e6b090db8ac7ca3ad633f6
Markdown9700e831a9b11859a50e8a2bf27047a9f2e43f20d580dd6be51b5aa9033f0fb0
PDF
Publication page24c97be1578872f35a4c07a1919326156b95cc2890638e34bb12afc60eab662a
Manifest7c0cb7e627fa94c08b0081e0c2c1c6afe0c4d77282688ae0e30db99e9b6b3ada

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
SignatureR8HDilPMugVsu5Zr303NuAPs0xL/IdaTiIiE0PgNMs4+WsFHTDRahTBsd99FC/Tq/E2U5bM3iK0bot3BckGNDQ==
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

2026-09-17T11:51:45.732893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023521
observed 24c97be1578872f35a4c07a191932615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.706202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023521/manifest.json
observed 7c0cb7e627fa94c08b0081e0c2c1c6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.686422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023521/publication.md
observed 9700e831a9b11859a50e8a2bf27047a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.663724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023521/publication.txt
observed 7fd3c18e4d539d85137a2ae694b28ef5...
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.