OpenTechnical

OT-2026-000026367

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000026367) never changes.

Identity and time

Publication numberOT-2026-000026367 · never reused
Internal UUID01a0ae71-f4a7-76c6-b957-f021a51df394 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026367
StatusPUBLIC

Content hashes

Canonical text6143d44a305a4f6784988e49953b557d6b864ff26f946cc2e3c8d2618b4f7b64
Markdown5c91584de2e241aa2bc6dec12544bd2491e2433bd2865bce66d6b1b2784b1db1
PDF
Publication page965eb3ac9809fd6d0980db8f89e520dbe32fdb70ca48cd2b17d92cc9b5bc8765
Manifestaac906f68b7aa4e55f3f3ab373baad30d122fdbcc336b6a7d87e6fb1a9a1060d

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
SignatureV1zsm39F0+bek4LlzAKd7n0XWNpHBluOLyFA5JnrHFHSw7bKlbTFxGsb960UAEe8WvT0r2Q4kxsEtbQAgQqzBQ==
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

2026-09-17T11:44:20.781204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026367
observed 965eb3ac9809fd6d0980db8f89e520db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:20.764840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026367/manifest.json
observed aac906f68b7aa4e55f3f3ab373baad30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:20.746628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026367/publication.md
observed 5c91584de2e241aa2bc6dec12544bd24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:20.730744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026367/publication.txt
observed 6143d44a305a4f6784988e49953b557d...
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.