OpenTechnical

OT-2026-000018858

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000018858) never changes.

Identity and time

Publication numberOT-2026-000018858 · never reused
Internal UUID01a0ae6e-d521-7b8d-8aaa-6201ffa598d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018858
StatusPUBLIC

Content hashes

Canonical text8872bdb629e2451f59a6c212fbdcd1005d17adf1d6d98cc82ba64a99e8eda9c9
Markdown3ad731d356ebd4b1e929582e9bb7790c7eb8ef86da85de1e69f791f3c0d5bdbc
PDF
Publication page47d7c3212ca54c32b790ef1bb025ce0589496cbd94a7fb899d91b2874ceb2896
Manifest444d552260a8a99c9a21417b902535c61f09413846ecf3dda42ab904f8bf1b8d

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
SignatureE9bqrHi3/cC2qIs3SdtSVcYOMQsr8IULfo8uS4wyymTalNJHBMUFuGJu9Red8+m9TbzWwoRXwQC3g4jBL/50CA==
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

2026-09-17T11:59:30.072039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018858
observed 47d7c3212ca54c32b790ef1bb025ce05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.052981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018858/manifest.json
observed 444d552260a8a99c9a21417b902535c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.034150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018858/publication.md
observed 3ad731d356ebd4b1e929582e9bb7790c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.015987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018858/publication.txt
observed 8872bdb629e2451f59a6c212fbdcd100...
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.