OpenTechnical

OT-2026-000051911

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000051911) never changes.

Identity and time

Publication numberOT-2026-000051911 · never reused
Internal UUID01a0ae83-7c85-7c4c-bdae-18fc1ff677f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051911
StatusPUBLIC

Content hashes

Canonical textbd85cbbcfb5350d25fa6b575cfc809f480518a191067727dbdc53c05f5f6ea5f
Markdown5aadbfe1a97ce2a18f2a97bd0eeb218a2910ee775dc7258954f2e913c7e7bdf7
PDF
Publication page5ffeb121e8a2a06856c25c8ae14df87c935004a57353c3ed399269130a1136fd
Manifest0a33f3765f1268c7c019023dab2ab67685a0ec3e71bf1f05b4438a1379c7adac

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
SignatureojbWpJI6W8bAqQpMhIEa/S9UFO4RgmHmCoCLhSB8WEYr3JUbe43UH1FOFfd9T7UIujdY3TGUcKGXIhuBWSBGAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:52.722049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051911
observed 5ffeb121e8a2a06856c25c8ae14df87c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.703209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051911/manifest.json
observed 0a33f3765f1268c7c019023dab2ab676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.683685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051911/publication.md
observed 5aadbfe1a97ce2a18f2a97bd0eeb218a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.665791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051911/publication.txt
observed bd85cbbcfb5350d25fa6b575cfc809f4...
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.