OpenTechnical

OT-2026-000016495

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000016495) never changes.

Identity and time

Publication numberOT-2026-000016495 · never reused
Internal UUID01a0ae6e-2d13-7ed0-b7a3-d2c8bea9cb59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016495
StatusPUBLIC

Content hashes

Canonical text8e0c77c03f8dbe5e3e9442dc044d01308a193aadf6ef80b5ab0a70564fb6f281
Markdownf5492362f74a1957e465dec280ff9d27f7df2c0b5d943c5ce8a2fbf26cbef165
PDF
Publication page660418d52e3af0203fc8711003bdd1b8e50da43fc614d920181046f5f75a10d1
Manifestde289ef471955fdab0f6b3290f64cad51e25904e9e2d7a5eecbb4caa42f4a91a

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
SignatureoaXtegP6xPNp8cz7EE8VYoGkfXUk5tqzPBd0hfdLAcWEuj2RCmm+jbqHwWYDT43jQO5GkCIpiFEKlcgMRzGUBQ==
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

2026-10-23T08:41:41.740920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016495
observed 660418d52e3af0203fc8711003bdd1b8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-23T08:41:41.662041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016495/manifest.json
observed de289ef471955fdab0f6b3290f64cad5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-23T08:41:41.594887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016495/publication.md
observed f5492362f74a1957e465dec280ff9d27...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-23T08:41:41.518700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016495/publication.txt
observed 8e0c77c03f8dbe5e3e9442dc044d0130...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T12:41:53.094351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016495
observed 660418d52e3af0203fc8711003bdd1b8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T12:41:52.873067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016495/manifest.json
observed de289ef471955fdab0f6b3290f64cad5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T12:41:52.666339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016495/publication.md
observed f5492362f74a1957e465dec280ff9d27...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T12:41:52.360392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016495/publication.txt
observed 8e0c77c03f8dbe5e3e9442dc044d0130...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent