OpenTechnical

OT-2026-000101592

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000101592) never changes.

Identity and time

Publication numberOT-2026-000101592 · never reused
Internal UUID01a0aea4-0e15-7ce3-8ed8-a9176dd790bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101592
StatusPUBLIC

Content hashes

Canonical text7e5b081d79d0c5abd5b9034cff73eaedbf9cca58009458c12351a7af6a638bcf
Markdown3f04a414869006d9e75e095b6cc7c6139a0e24664f9fc200abf65b921ed0e606
PDF
Publication pagedf536d23cb5f10421585cd94fad4739bd431aa6fbc0f48a7f91af28740cc3054
Manifest363ff00215fb91ba2a029a15bb10cc6cf7b5c2ba01ce97acfc08fdf79d186cfb

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
Signature6+jyimOqETALVZZ04OxjmAvexBQpJhtFI8FrO0LoeR2SW22IM368byKo8MRC5+ooA2HEgQx7Dj3cbMOdA3dVDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:41.896058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101592
observed df536d23cb5f10421585cd94fad4739b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.878505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101592/manifest.json
observed 363ff00215fb91ba2a029a15bb10cc6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.860303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101592/publication.md
observed 3f04a414869006d9e75e095b6cc7c613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.840679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101592/publication.txt
observed 7e5b081d79d0c5abd5b9034cff73eaed...
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.