OpenTechnical

OT-2026-000031610

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three 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-2026-000031610) never changes.

Identity and time

Publication numberOT-2026-000031610 · never reused
Internal UUID01a0ae74-bacf-7033-8ce7-a8712bc0ffcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031610
StatusPUBLIC

Content hashes

Canonical text3688d5bd5563cf3aaa6d8c8767c060c0db10c210dfe53ba64d86a15591ebef40
Markdown026e387ccbc4aa651a7451db32b313a267cb702ca5fc9d5176b3b5c82d138e3a
PDF
Publication page80790492c4543836eb876828a2399237a8ab396033b43ac2993a037c3111a2da
Manifest1dd5a50f679d591b759456fc19d074cfa2801b96b16bd8132d3f7b2f0939399f

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
SignatureTW6ed9qQUHw0qTjhrSJaSpL/RsD5oakxMszQRZ+06uWwzqNMCMzW00v54DjChT3RaDHzUb9iD5ATcoa2Lh82Bg==
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

2026-09-17T11:34:39.380742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031610
observed 80790492c4543836eb876828a2399237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:39.363189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031610/manifest.json
observed 1dd5a50f679d591b759456fc19d074cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:39.344938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031610/publication.md
observed 026e387ccbc4aa651a7451db32b313a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:39.328983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031610/publication.txt
observed 3688d5bd5563cf3aaa6d8c8767c060c0...
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.