OpenTechnical

OT-2026-000071018

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000071018) never changes.

Identity and time

Publication numberOT-2026-000071018 · never reused
Internal UUID01a0ae91-8c2e-70f0-9d2e-8fb90beced3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071018
StatusPUBLIC

Content hashes

Canonical text5abe4b0700847015580c5f6a14e4e2a19c986b6173eb8120015f4703a4bbb381
Markdown35a5999b60a411297fdd457569b2eac9a46fa56299e82d43e8bb8a50802ab7a3
PDF
Publication pageefb4588812fce424c9a36e67a336fc7f336e69389353e8e2706ac6e504a0eae0
Manifest0e4ab09063307977ccdbe1f58acfd53610d02ab74cf58c39b0f86b7f8ad744e6

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
SignatureWlZyy+Ly7pwPaWqL4QwvcCC82xhJ8Gp6fFp3DVJXw+xTB3T4gAf1eNCb6Lyvx14R+HlevpR9GunElwJ2z3wlCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:52.366984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071018
observed efb4588812fce424c9a36e67a336fc7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.350709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071018/manifest.json
observed 0e4ab09063307977ccdbe1f58acfd536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.334859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071018/publication.md
observed 35a5999b60a411297fdd457569b2eac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.318574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071018/publication.txt
observed 5abe4b0700847015580c5f6a14e4e2a1...
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.