OpenTechnical

OT-2026-000027162

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000027162) never changes.

Identity and time

Publication numberOT-2026-000027162 · never reused
Internal UUID01a0ae72-3454-7ac2-b9a0-7b4f3d451d51 · 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-2026-000027162
StatusPUBLIC

Content hashes

Canonical text95e1ef622a7ad6017431f9e40c2045f08dfc2a042d07605f7df55a9e778255b4
Markdown4e285e02e18425278e54d810321ce6a2cd4a0fdd1abf47979f2be283f4c4876d
PDF
Publication paged8503e4c2d55e221adbde3b12e4f9e7179f609c27cc914d74a1fc559305ffa93
Manifest0bf4190cadf769120f57ac5a4d4b969f79599c87e2cb6c7e087cb5f4330edfb0

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
SignatureaxKUV9rF0Amg3U9HOmmFn1OXe/oD6MuAgDOpFzuBs38Zp9DFk57gsW38rZ3j9ecUK+M3+/pHh+/Upbm0zUxqCA==
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

2026-09-17T11:43:56.603694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027162
observed d8503e4c2d55e221adbde3b12e4f9e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.585750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027162/manifest.json
observed 0bf4190cadf769120f57ac5a4d4b969f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.564465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027162/publication.md
observed 4e285e02e18425278e54d810321ce6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.545878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027162/publication.txt
observed 95e1ef622a7ad6017431f9e40c2045f0...
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.