OpenTechnical

OT-2026-000048986

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000048986) never changes.

Identity and time

Publication numberOT-2026-000048986 · never reused
Internal UUID01a0ae81-134c-7350-a934-084467bd28a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048986
StatusPUBLIC

Content hashes

Canonical text4bcb80753b4f4056fe9ba717f325939b5073480aa2d34c3303cf85d7b4b3e9a0
Markdownc4a5808dd217b00c4878e2da1e157ecbe5fb40498cace556b15b532832ab910d
PDF
Publication page1f12f1095fe39307e5d53e96a2ae018e86b44213e60725324fda5252466ad48d
Manifest78478d41c983bcd54af598bb229d441860b33e8f248089f34e99213265504bc8

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
SignatureCAHX8uM1ozohpZdDh4XWL+XJj2H1zxJBd3aIGlxTqiENUvtCqvnX6w6ZXfLW/21zW+9vTYvCex0YAXx4kPaUAw==
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

2026-09-17T11:03:11.441440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048986
observed 1f12f1095fe39307e5d53e96a2ae018e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.422589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048986/manifest.json
observed 78478d41c983bcd54af598bb229d4418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.405573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048986/publication.md
observed c4a5808dd217b00c4878e2da1e157ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.387587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048986/publication.txt
observed 4bcb80753b4f4056fe9ba717f325939b...
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.