OpenTechnical

OT-2026-000018242

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000018242) never changes.

Identity and time

Publication numberOT-2026-000018242 · never reused
Internal UUID01a0ae6e-b488-7b51-93e4-143e796a5e42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018242
StatusPUBLIC

Content hashes

Canonical textadf1e7834c50138eef01ceae11f16d84193c841330841ba942de40ba3a36bb2d
Markdown06f6013d222c7bf09166bdde265cc15c1f9cc273ac5760db44d375cc0caff538
PDF
Publication page7bda058ea80e66689a3f1ed2344398139330d369cfe16ed564b10ff652fd9825
Manifestfdee33cece3a591337d1b7742428026e9aa048f9f8bdb311aeb0df8a45fcf654

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
Signaturei7DsFUSTCijjOJn46BWjZJoFPJtiHFuxLRjoAEQlGeuRlC2Je0/ehEYeBwq+af+RLnHwlNyDC7s6elE5ZHFpDg==
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

2026-09-17T12:00:03.508937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018242
observed 7bda058ea80e66689a3f1ed234439813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:03.491357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018242/manifest.json
observed fdee33cece3a591337d1b7742428026e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:03.470496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018242/publication.md
observed 06f6013d222c7bf09166bdde265cc15c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:03.442173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018242/publication.txt
observed adf1e7834c50138eef01ceae11f16d84...
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.