OpenTechnical

OT-2026-000011828

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, 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-2026-000011828) never changes.

Identity and time

Publication numberOT-2026-000011828 · never reused
Internal UUID01a0ae6d-1941-7121-94f8-8840d8a0a203 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011828
StatusPUBLIC

Content hashes

Canonical text6975d4b31aaa5cefc64436230a192ffde10a9e86f927b6dc255052068667e65c
Markdown421d9ebc05829cca755f8e2d95a6093a494bcbe4e49fc7b7d42903a56a90f7d6
PDF
Publication paged74acb095a84c2df535e4f2604a342ae99faa324ad0404cf9fe307991019b896
Manifestbc706873cb31f41690b5bc6ad67a20125ad17ac84381cb179aace20fb321c889

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
SignaturewFUI8i0VybH6tJ3hF0wiZMXnNRp6vFt1hJ2+9cMr82IkqxbB+lMMWjrReU3fVZCdno0xySBSD+YjC8bmhHqgAw==
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

2026-09-17T12:12:33.728572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011828
observed d74acb095a84c2df535e4f2604a342ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.711536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011828/manifest.json
observed bc706873cb31f41690b5bc6ad67a2012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.690106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011828/publication.md
observed 421d9ebc05829cca755f8e2d95a6093a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.671155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011828/publication.txt
observed 6975d4b31aaa5cefc64436230a192ffd...
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.