OpenTechnical

OT-2026-000033678

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000033678) never changes.

Identity and time

Publication numberOT-2026-000033678 · never reused
Internal UUID01a0ae75-a390-7097-ab2f-d3dfa5d218cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033678
StatusPUBLIC

Content hashes

Canonical text09d558d3ed1306ea42c25b4720e9a8cbc2727f185ac2a57aed64cb92ac6ac1e8
Markdown1aae37799abddb81d719a443d1e77ce9297dd82fc3f3d84a4341315b54716228
PDF
Publication pageb3639d576f5f0e81b45fe7324965b242adef70a90f879a309f9fc925e573fb63
Manifesta22d682df126d35949aca389b3ca06d5f2d6a17c047168ffd67111a571508bb9

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
SignatureFCK1W5sVFtYSVGTu9XkAsv13zca9qzKN0S5o/aSbpEGUb0hOpb6jWyus1aGGVs+fVxrlSNhSdKy6/3k2micBBQ==
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

2026-09-17T11:31:40.172346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033678
observed b3639d576f5f0e81b45fe7324965b242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.156670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033678/manifest.json
observed a22d682df126d35949aca389b3ca06d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.139994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033678/publication.md
observed 1aae37799abddb81d719a443d1e77ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.120305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033678/publication.txt
observed 09d558d3ed1306ea42c25b4720e9a8cb...
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.