OpenTechnical

OT-2026-000023358

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000023358) never changes.

Identity and time

Publication numberOT-2026-000023358 · never reused
Internal UUID01a0ae70-7268-77cc-9f50-4867e8e6dbd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023358
StatusPUBLIC

Content hashes

Canonical text6a31f31c34f1b1501b97cfae01816e0b568711073c72b822be078adeb8d5a0d9
Markdownd935513734b419cf659d3daa28b20b8180b8abc937c2dbe5eaf0ee67c1373d35
PDF
Publication pageb81a7bd23d7049443b198ce0e39224283d283568fc528371e10268cbbaef4d9e
Manifestfd78e694affe6de9d18d1234d8b45d284514ca45fe2a301b29e5d82ca0b23d56

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
SignaturePfqtp4Bd4hg9B6dnXp1pbR/vD8uiYyPe5IxLQDAtL1bGZ4UNlj6HondsAN20P9zRXJbgJr0XaYysdYZx4wurBw==
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

2026-09-17T11:51:27.254196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023358
observed b81a7bd23d7049443b198ce0e3922428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.235692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023358/manifest.json
observed fd78e694affe6de9d18d1234d8b45d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.215720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023358/publication.md
observed d935513734b419cf659d3daa28b20b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.196364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023358/publication.txt
observed 6a31f31c34f1b1501b97cfae01816e0b...
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.