OpenTechnical

OT-2026-000051977

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000051977) never changes.

Identity and time

Publication numberOT-2026-000051977 · never reused
Internal UUID01a0ae83-e78e-7a6e-b5a0-59b604163eaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051977
StatusPUBLIC

Content hashes

Canonical textf6543e2185fbc3483e1005e02fa910ba224c4dca879dae0df177fb9b9c5933f2
Markdown6fea20c9e4ffb9ff1e612c69c0cbc69e4a953798cf9a40aea9b51dcebe25576c
PDF
Publication page5edaabd6f3569c209190f7e15089b86a3df83b8d38cd7c7f8b446cc4fa4859cb
Manifest782c10e6192847b1c60cbd19681ec638ccedc2deb062809915c9c8a45526c360

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
Signature3nDmJazILaVSR8JVvx0KPumFpm45anGGkFES8EnFBHEZeH8CBxlYp2RFmzifVuxMNd/1aCmALHrH55nR6VjDDw==
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

2026-09-17T10:57:28.630469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051977
observed 5edaabd6f3569c209190f7e15089b86a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.612367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051977/manifest.json
observed 782c10e6192847b1c60cbd19681ec638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.594955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051977/publication.md
observed 6fea20c9e4ffb9ff1e612c69c0cbc69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.577551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051977/publication.txt
observed f6543e2185fbc3483e1005e02fa910ba...
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.