OpenTechnical

OT-2026-000085199

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000085199) never changes.

Identity and time

Publication numberOT-2026-000085199 · never reused
Internal UUID01a0ae99-43ba-7ca8-8606-ba8bc08d1195 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085199
StatusPUBLIC

Content hashes

Canonical textb041a1eba57b609daf5f44ba4cde2d109ef3a1f86edcbae768b5e74493534e9e
Markdown526a48ffa4503f8eccb1b5491f82e17ae51d323ea7d1d71a3096260b0ab956b1
PDF
Publication page5af02205947249364b28a63716ac3a849fb3d17cdc2f63a60d0fc31eadf8c381
Manifest8b7ec518fad7f4dfde4e3db5e644b2d38ef6cbac223110f93ab79bf2e3cb3580

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
Signature5iALLDGR3ADysctcC0t3bFc85M1tMj/o5KL56X2H4hdcNu+oTLXKLNINsNr8DiYG8qaasYtBuVE8DXYK0xGZDQ==
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

2026-09-17T09:55:17.296738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085199
observed 5af02205947249364b28a63716ac3a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.278141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085199/manifest.json
observed 8b7ec518fad7f4dfde4e3db5e644b2d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.260455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085199/publication.md
observed 526a48ffa4503f8eccb1b5491f82e17a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.241332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085199/publication.txt
observed b041a1eba57b609daf5f44ba4cde2d10...
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.