OpenTechnical

OT-2026-000026896

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000026896) never changes.

Identity and time

Publication numberOT-2026-000026896 · never reused
Internal UUID01a0ae72-3452-7a1d-8fac-be73d4deec2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026896
StatusPUBLIC

Content hashes

Canonical text06d472a50e6d5bcbc3c56086cd42df3477eea5a88e6a6eaddc140cc7ac6e28df
Markdown25cccf1e787cd2554b6482efbbebdee2ad5cc86c6cdcb60392febace770fc7c7
PDF
Publication pagef471727c953a45a65fe64fd3ee7543f7a718eebd9ee9f68715d71ab472840382
Manifestfc86662c9c078b3bff9f3b650d294bb4b050b41ad794a7a4648145d2a6372f0b

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
Signature3X3IhVf17pzCplP0L5XcU4dy74E6FAK4VJN1KWiUGA5cntsdDTlI5nmeI8/t41jT2VTGtAcCeKToKw+XR2NKAg==
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

2026-09-17T11:43:30.326378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026896
observed f471727c953a45a65fe64fd3ee7543f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.302351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026896/manifest.json
observed fc86662c9c078b3bff9f3b650d294bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.286049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026896/publication.md
observed 25cccf1e787cd2554b6482efbbebdee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.268393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026896/publication.txt
observed 06d472a50e6d5bcbc3c56086cd42df34...
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.