OpenTechnical

OT-2026-000008484

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented 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-2026-000008484) never changes.

Identity and time

Publication numberOT-2026-000008484 · never reused
Internal UUID01a0ae6a-e46a-79bb-a178-558da93824d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008484
StatusPUBLIC

Content hashes

Canonical text2446463c9d0cab7c987680dd82c6d762ea3f3fd183c494e82c448af5106c4eaf
Markdown33717339a077c5e9e3395ede4d592f54fd4114425ec27af2f0ad1d6e95251f5d
PDF
Publication page967616326b63ee1414e3efadd5d9f167df4c4156d5ced09e39002e3f8fe51016
Manifest252e7a188a7e766532f29065909657abd1f742933e88d56249f064263a10e67b

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
Signature5JMkhwGxtSmCzZdDMEYLo6GU/q345rosx2lg/zmW3q2tYE+gCZ3UUFDLDAnGI0bnuw58AZ1jrPZ1IXCP/jrKBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:22.865702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008484
observed 967616326b63ee1414e3efadd5d9f167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.847021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008484/manifest.json
observed 252e7a188a7e766532f29065909657ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.826763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008484/publication.md
observed 33717339a077c5e9e3395ede4d592f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.805250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008484/publication.txt
observed 2446463c9d0cab7c987680dd82c6d762...
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.