OpenTechnical

OT-2026-000026843

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000026843) never changes.

Identity and time

Publication numberOT-2026-000026843 · never reused
Internal UUID01a0ae72-3452-7d7d-9cac-ef5ac1f55f07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026843
StatusPUBLIC

Content hashes

Canonical text013452ef35871dc3d03022a9a22d3d8ea6402bd5cf13046ae2eb1cd8cca60c01
Markdown1cc36f42d5ff4a5ac794261204e00d52edf51c53c270e7790ea1707f4d5925e0
PDF
Publication pageead124f4ba48838ebe495ee905f14b99a3ddfbb5c43ff49aecccf303b8535839
Manifest90f46079120f47cfe8471fb56542fdf1c799d095833ec9ea25f325e3dbc0b111

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
SignaturefXwhDLnBcT+f7JAqDvkYHv/pcPXB04qNsqjOOEcjmKjIK/v9AlKohHpm4EJESZ06tSvspjJBcxjivaocyU9vDA==
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

2026-09-17T11:43:26.208329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026843
observed ead124f4ba48838ebe495ee905f14b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.190605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026843/manifest.json
observed 90f46079120f47cfe8471fb56542fdf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.173554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026843/publication.md
observed 1cc36f42d5ff4a5ac794261204e00d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.155467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026843/publication.txt
observed 013452ef35871dc3d03022a9a22d3d8e...
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.