OpenTechnical

OT-2026-000032845

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000032845) never changes.

Identity and time

Publication numberOT-2026-000032845 · never reused
Internal UUID01a0ae75-4842-730f-bddc-70976b1ce660 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032845
StatusPUBLIC

Content hashes

Canonical text87fa04a7c0c8d51bcc1b0f189057f00bbcdd08891bf046cedf9ef40690d60b62
Markdown6b86c118d6e8db22571c8d1e69a2f4c4aa3eb3b8d64319cb38e2dda800a23515
PDF
Publication page9e0eb59356be37138255a4ae4ef6a558f886086a5d083d221da1c32525e8e3ee
Manifestbe974c7077ca95e84759c3ca55da14b54388a1cc1447e62d278f869591b8971e

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
SignaturejvIfIG5lsMoDZantWXzYb6mDclYlCpmY6vZL5WyHBvdux5qkOcnpFDZb9fKyuoifdtyMAo0sPoP/VJbSxP/9CA==
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

2026-09-17T11:32:18.400924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032845
observed 9e0eb59356be37138255a4ae4ef6a558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.383422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032845/manifest.json
observed be974c7077ca95e84759c3ca55da14b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.365493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032845/publication.md
observed 6b86c118d6e8db22571c8d1e69a2f4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.345507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032845/publication.txt
observed 87fa04a7c0c8d51bcc1b0f189057f00b...
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.