OpenTechnical

OT-2026-000027147

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000027147) never changes.

Identity and time

Publication numberOT-2026-000027147 · never reused
Internal UUID01a0ae72-3454-741f-b2df-6caf6080d308 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027147
StatusPUBLIC

Content hashes

Canonical textfd194a7ba94cab36387bba3217f3237cd7acba24ed44d1395c6de273855f1641
Markdown937429fe9a8044f08cbf642eb888507c330e7cb45a1a55f9da670bcfbb728dac
PDF
Publication page7972faa37b63d4a4af6f7eb0c0cafee260d26a586c3bbda11b54982434c08816
Manifest8ec0d22597ff95aaed08a44d84c5c6e329fd629104b1e4f9d3a88d0ab862d317

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
Signature8X5msibzhIpQYh+Ky6B3rEC5LgjY5YZyUhObUW7BjlX7r0y/iKFEakXZSrcvEkmAmVhdsfoNi0Hjag+r4L55AQ==
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

2026-09-17T11:43:55.519399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027147
observed 7972faa37b63d4a4af6f7eb0c0cafee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.503176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027147/manifest.json
observed 8ec0d22597ff95aaed08a44d84c5c6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.483756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027147/publication.md
observed 937429fe9a8044f08cbf642eb888507c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.466356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027147/publication.txt
observed fd194a7ba94cab36387bba3217f3237c...
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.