OpenTechnical

OT-2026-000025407

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000025407) never changes.

Identity and time

Publication numberOT-2026-000025407 · never reused
Internal UUID01a0ae71-5fa7-722b-a90d-5417cb83ba4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025407
StatusPUBLIC

Content hashes

Canonical text4375dde432bdbc5114443cef71ec947f06f11935b9aabbb4505656267651e8db
Markdown55350ce018449a707c2d06a1238640cd8bfff890b2790d3b54367e9f906bf34d
PDF
Publication pageeaaf311b9f5cd238a42d0c89cfd5589de8eaf3638dd46cfeaaac5aefa80f948b
Manifest1f867138e1eaa82dacfa2ce2ff7bdd72dd011dec30b581c3dab1b904d606f071

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
SignatureeZHGiHm6N+Wru9PV7sdbI7JzMFHiEAOf4K6vsgswWxQo/CSDgxldGDph305C0X8Ve8v/Yo084YrsUWZ5I8MdCA==
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

2026-09-17T11:47:28.736215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025407
observed eaaf311b9f5cd238a42d0c89cfd5589d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.718244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025407/manifest.json
observed 1f867138e1eaa82dacfa2ce2ff7bdd72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.699781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025407/publication.md
observed 55350ce018449a707c2d06a1238640cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.681996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025407/publication.txt
observed 4375dde432bdbc5114443cef71ec947f...
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.