OpenTechnical

OT-2026-000026081

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000026081) never changes.

Identity and time

Publication numberOT-2026-000026081 · never reused
Internal UUID01a0ae71-a840-7fe2-95f1-36de25dd9309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026081
StatusPUBLIC

Content hashes

Canonical text86343c2b6831079aba53e6388c8b6d561692420ae28b6df66b7c0783ce4fdb3f
Markdowncc21e755109f2e734d97a7682bd521ccf64672278217f35f70b181cba40d727d
PDF
Publication page719aa72316bc31574c58c254d2b4ef665398cf228950cd2b47a2800cc78fcf2f
Manifest20b4a8d97f2557dc2846bdb8ee0e30f3140bedbe0fcb6092fd8fde22de2d85c1

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
Signature7TE5RMUoj6Wl9GiB947YdvmcsLk1q4xr2aHkhKhs+qEa4cBEy0AAbD9xul7R7Vd7s7e5rd/8+Zamqa+XPuNlAg==
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

2026-09-17T11:46:32.586734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026081
observed 719aa72316bc31574c58c254d2b4ef66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:32.559859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026081/manifest.json
observed 20b4a8d97f2557dc2846bdb8ee0e30f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:32.540059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026081/publication.md
observed cc21e755109f2e734d97a7682bd521cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:32.515281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026081/publication.txt
observed 86343c2b6831079aba53e6388c8b6d56...
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.