OpenTechnical

OT-2026-000086068

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000086068) never changes.

Identity and time

Publication numberOT-2026-000086068 · never reused
Internal UUID01a0ae99-e82b-79b1-92c0-95fd5cd78fed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086068
StatusPUBLIC

Content hashes

Canonical textf55b39667d48419d60d8f01fec89fe69c5d811123d9b769f3b8e43dbfcd9c62d
Markdownda556204dacc496aa2f9bd7f7ead83873cf565d26a7282aa73af3247b0193818
PDF
Publication paged005f8e00a1cf5b006c7ab22bc011a1561c801a28a1b35827b82c6642ace197d
Manifest39cede3832da143922879faadb603ca2da1d1ec2f01523ed33a68359716ad91e

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
Signaturef2qu0iUJEDBJmAfSQ4VVlHDoT/wi20u/R6IM66A/Jl//8Ml8kEEJnndoL1LlVDUwwGtq2XcFfyaKYpz7Wc+6Cg==
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

2026-09-17T09:53:42.296686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086068
observed d005f8e00a1cf5b006c7ab22bc011a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:42.277844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086068/manifest.json
observed 39cede3832da143922879faadb603ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:42.260673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086068/publication.md
observed da556204dacc496aa2f9bd7f7ead8387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:42.240808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086068/publication.txt
observed f55b39667d48419d60d8f01fec89fe69...
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.