OpenTechnical

OT-2026-000104219

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104219) never changes.

Identity and time

Publication numberOT-2026-000104219 · never reused
Internal UUID01a0aea5-3420-7347-8f44-ba168058d1b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104219
StatusPUBLIC

Content hashes

Canonical textc19350da50a0f121501213b132e991a92f082e44c40c26c289d25c0868ca5a5c
Markdown65554b37868f77ccaab9aced29514b1f95f440f1ed4d4cbb56d37633065d7397
PDF
Publication pagef1e6a56a1946096b1a2fa41d47da5f1d661090bed6f830314b600d51312a7aa6
Manifest11bef190049aa2566293847240c389cc3d27f7f833c6f3ae53c6035691bc458f

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
Signaturef2bOUn7+P5HY+3vQ5jpisxNDP+JBgMITYixDUVGrmMbGm4NvuXzKrAMLR+lis4mEw7ObPG7UgZSgTI4O+rCMAA==
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

2026-09-17T09:20:19.361678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104219
observed f1e6a56a1946096b1a2fa41d47da5f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.344897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104219/manifest.json
observed 11bef190049aa2566293847240c389cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.329531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104219/publication.md
observed 65554b37868f77ccaab9aced29514b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.312323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104219/publication.txt
observed c19350da50a0f121501213b132e991a9...
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.