OpenTechnical

OT-2026-000055853

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000055853) never changes.

Identity and time

Publication numberOT-2026-000055853 · never reused
Internal UUID01a0ae87-0a49-7d06-b98d-1dc553520ff6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055853
StatusPUBLIC

Content hashes

Canonical textd5bf7533c7de4eb6351ed2ed0e0ee944e2ea0d10e59c6beb8cc214434fdf9f20
Markdown8d5dbd2e41623cc4ac049d8e0c382ed055dd1c27a3461c0cac3a88fc3201e6d8
PDF
Publication page7c876603ff9cec20c68bb380686ec953994847b0d664d067d200c8592296485c
Manifest363792acf79a8db7196610e2db46301e8437c6f843becf8a5036f1be5ac9194d

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
SignaturebuphsTu4m+ds0jbNsQkIrgLSOwPMpwc68Mm+OOB3zqp/WaSwljWQ/2qjaJx1J/eMI7Ewo184eSxqmtGHQGJ+Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:14.847126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055853
observed 7c876603ff9cec20c68bb380686ec953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:14.831343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055853/manifest.json
observed 363792acf79a8db7196610e2db46301e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:14.814806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055853/publication.md
observed 8d5dbd2e41623cc4ac049d8e0c382ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:14.798254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055853/publication.txt
observed d5bf7533c7de4eb6351ed2ed0e0ee944...
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.