OpenTechnical

OT-2026-000087180

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000087180) never changes.

Identity and time

Publication numberOT-2026-000087180 · never reused
Internal UUID01a0ae9a-9f2e-7522-8bee-bc5513baa5a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087180
StatusPUBLIC

Content hashes

Canonical text99accb98b891fec51a71856d8fb149cf782f8f69ba625e9d4403753bb823dd2b
Markdown87101aa282687f5ff3aa38d7d1f3a553433e50bfbabb492b44f18181b0731604
PDF
Publication page08455c4d465bc21e2b6a97a7e0883a076bdce07ffa40a6dce2f61d5f557b0c9a
Manifest331e288dee144e29a4414c931cae01472da9dd146a17f42ff85894438574fb37

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
SignatureHL77bAJ4JIM1m86RpTKO4+3mu58GDttQh32uLys07P4h9nnlSvjo1hflw4/FvarNjCbvBKi3kiyq5IsHzDRoAQ==
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

2026-09-17T09:51:27.127930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087180
observed 08455c4d465bc21e2b6a97a7e0883a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.108656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087180/manifest.json
observed 331e288dee144e29a4414c931cae0147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.091012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087180/publication.md
observed 87101aa282687f5ff3aa38d7d1f3a553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.073471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087180/publication.txt
observed 99accb98b891fec51a71856d8fb149cf...
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.