OpenTechnical

OT-2026-000034075

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000034075) never changes.

Identity and time

Publication numberOT-2026-000034075 · never reused
Internal UUID01a0ae75-df0c-755d-acad-7e8bd0270996 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034075
StatusPUBLIC

Content hashes

Canonical text39e44975edafe931ece7746d0a2b83afba0704b7b957d75a4a71883b3c22b1b2
Markdown16af060ae07dd37a44fcaabb1ac24e78b1fc5746703cf889ac72d5483117d5f3
PDF
Publication pageeb2a8e282fbdcc46cbc5da91056b64ee1c2dbd10d8956b5d47557d53f7e56f2b
Manifest5598b4b9405c794efc25b5f05c102a7379aa2d21c647a1af06cab5f5f7ecde6a

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
Signatureci9Zi5yJlEvJqS88EcZgX48zR3AEzO5c3p8jxm6IA4+w8JZUp4jdPs/N2xfXNxY7006CcL5PwlMI4NqsjHXHDg==
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

2026-09-17T11:30:19.574976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034075
observed eb2a8e282fbdcc46cbc5da91056b64ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.552511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034075/manifest.json
observed 5598b4b9405c794efc25b5f05c102a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.531184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034075/publication.md
observed 16af060ae07dd37a44fcaabb1ac24e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.500169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034075/publication.txt
observed 39e44975edafe931ece7746d0a2b83af...
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.