OpenTechnical

OT-2026-000008511

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, vented 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-2026-000008511) never changes.

Identity and time

Publication numberOT-2026-000008511 · never reused
Internal UUID01a0ae6a-e46a-7b02-8201-824585cf85a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008511
StatusPUBLIC

Content hashes

Canonical text4a3c17096c39c19fb7758aa8d6b04d4b641eff5d900a3a4965946d58c8fae2b3
Markdown745015e665ed06aadff1237decedd21550ea0297596d05ecf27e05bc20f61baf
PDF
Publication paged53482511fe2d68c958e93cfbd654a66d4624c87b2a044a06f44826a5f667bb8
Manifesta028fc40c01d98e3db62dd3ae15202a29c7ed1a0d19fd2eb838c59960326746a

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
SignatureFYUOO9juASs0YMPa01gy9sxkY9F4nuXtaqil05FLJPBQJWJ+37far6n6bXMmgSLV8uuW0gqpq5g8ZuY7c++yBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:25.339867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008511
observed d53482511fe2d68c958e93cfbd654a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.319018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008511/manifest.json
observed a028fc40c01d98e3db62dd3ae15202a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.300457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008511/publication.md
observed 745015e665ed06aadff1237decedd215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.277404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008511/publication.txt
observed 4a3c17096c39c19fb7758aa8d6b04d4b...
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.