OpenTechnical

OT-2026-000058973

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000058973) never changes.

Identity and time

Publication numberOT-2026-000058973 · never reused
Internal UUID01a0ae89-47a0-7c93-bead-719e128c368a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058973
StatusPUBLIC

Content hashes

Canonical textcdc3f85aac3c720b8fa591d8c8cc7082db44f555c33d94ffea7fd39e34ceb9b6
Markdown9a40e4a2014d54f2bf0caeaf489cdbfe59a5fcfe073b743ea82b14c865f5030a
PDF
Publication page62004eee1b284dfc7aa8eabb193a42f0fe255796bf90bb3e5638e92fd2811e7e
Manifestc85f029539bf5f74f02a403988a05564c0908f038ffaa438c4c6d8964cb65bfc

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
SignatureEZ/bDyd1sB1u0AfxUvr7zw3qskBuRMyI6wfh9BQECkek24uAfEbDzfR/Ul2YNsaRFMlmCeKp+bOdZyPGgAhZAw==
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...

Independent retrieval

2026-09-17T10:46:33.342889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058973
observed 62004eee1b284dfc7aa8eabb193a42f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.325478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058973/manifest.json
observed c85f029539bf5f74f02a403988a05564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.307043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058973/publication.md
observed 9a40e4a2014d54f2bf0caeaf489cdbfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.290263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058973/publication.txt
observed cdc3f85aac3c720b8fa591d8c8cc7082...
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.