OpenTechnical

OT-2026-000101589

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pulsed blow-off after 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-2026-000101589) never changes.

Identity and time

Publication numberOT-2026-000101589 · never reused
Internal UUID01a0aea4-0e15-78fc-966b-d493f91358df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101589
StatusPUBLIC

Content hashes

Canonical textf3f33b99ee7cd46a23f20b16d1aa0ee555e91ec718adbbf926c4aa3b820a4837
Markdown6ae3b1d89c120c797d1127b1acd8476db634a6ebc7d9b0bac40f6ddfdac8d5b2
PDF
Publication page2ae63915dda02e0a16f458cdc789cd81642a8a2e47d4d204a9cb06e891bd0726
Manifest14eadf1e86f6c88da1961b370dce7c2ecb7344eefc5284bc636eb20905d493fa

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
Signatureu/NlsKJOCv8KZTmUITlwlpKwhH8bNb1m4JTO8l2gE6w32s8dIoi3mzzANldmbI+nZ+HZC1GoG/ybmQCruXy7AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:41.671011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101589
observed 2ae63915dda02e0a16f458cdc789cd81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.653769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101589/manifest.json
observed 14eadf1e86f6c88da1961b370dce7c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.635582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101589/publication.md
observed 6ae3b1d89c120c797d1127b1acd8476d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.618346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101589/publication.txt
observed f3f33b99ee7cd46a23f20b16d1aa0ee5...
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.