OpenTechnical

OT-2026-000099853

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000099853) never changes.

Identity and time

Publication numberOT-2026-000099853 · never reused
Internal UUID01a0aea3-1473-7a26-92d4-d9fd4f515e86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099853
StatusPUBLIC

Content hashes

Canonical text5893705bfa586544f1f55dabff882e4e6b1b161d5d7cd3a1f1c301ac42d1076d
Markdown9322dca78dffae96f250f81ab3f6a12bd2c60815d934888e16cca04743c6da30
PDF
Publication page50f60600b44861894e342ddcbc773f3ec9853459d8f89b62ca7ea5b3e4207bc4
Manifestd3a1d3dea6eeb313dd9b31f6101e044ec26f07a8ba9ce7394c6e7943f5bdc0e6

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
SignaturewYaHEaB8QdhpJMjjtsq9o3AVLEEyHt7zhBllBv3eEX644/t8/nIIpLnXfariYMTk3hNYL7NzyhqaNeUBeOraCA==
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

2026-09-17T09:30:21.588184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099853
observed 50f60600b44861894e342ddcbc773f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.568178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099853/manifest.json
observed d3a1d3dea6eeb313dd9b31f6101e044e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.547252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099853/publication.md
observed 9322dca78dffae96f250f81ab3f6a12b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.529010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099853/publication.txt
observed 5893705bfa586544f1f55dabff882e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.590920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099853
observed 50f60600b44861894e342ddcbc773f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.571849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099853/manifest.json
observed d3a1d3dea6eeb313dd9b31f6101e044e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.549543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099853/publication.md
observed 9322dca78dffae96f250f81ab3f6a12b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.531438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099853/publication.txt
observed 5893705bfa586544f1f55dabff882e4e...
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.