OpenTechnical

OT-2026-000023610

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000023610) never changes.

Identity and time

Publication numberOT-2026-000023610 · never reused
Internal UUID01a0ae70-aed3-7917-b341-9f600dfa1e29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023610
StatusPUBLIC

Content hashes

Canonical text07fd24df41989352630c85bee6f0b46195283bf2c9079aaf570693da6678deb3
Markdowna523464de6aeb0eb34cc79ab8c0a7bbf4ad244f220cd804a71b801e9b7673595
PDF
Publication pageb842899ad7357c4863c63c10cce74ce877a28125f19d11f2a91791e77608dd7c
Manifest1e42228e496b80b9e3ac4aeb31c6d40273a1610200e997a7dc37848b1df5687e

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
SignatureN5jN0qVJzG1r3fKcjdrTCeZGBm4eESfujBlHTsjrEsqWX62wF6kOD/suInCtW2O+a4q7TWyXfX1DiRyP3CrVAA==
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

2026-09-25T00:41:48.116571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023610
observed b842899ad7357c4863c63c10cce74ce8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T00:41:48.056198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023610/manifest.json
observed 1e42228e496b80b9e3ac4aeb31c6d402...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T00:41:47.962028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023610/publication.md
observed a523464de6aeb0eb34cc79ab8c0a7bbf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T00:41:47.800602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023610/publication.txt
observed 07fd24df41989352630c85bee6f0b461...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:42:59.488846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023610
observed b842899ad7357c4863c63c10cce74ce8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:42:59.323600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023610/manifest.json
observed 1e42228e496b80b9e3ac4aeb31c6d402...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:42:59.224453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023610/publication.md
observed a523464de6aeb0eb34cc79ab8c0a7bbf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:42:58.938173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023610/publication.txt
observed 07fd24df41989352630c85bee6f0b461...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent