OpenTechnical

OT-2026-000086177

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000086177) never changes.

Identity and time

Publication numberOT-2026-000086177 · never reused
Internal UUID01a0ae99-e82c-796b-8880-55a5e23a5f1b · 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-2026-000086177
StatusPUBLIC

Content hashes

Canonical text240b8d64b61ac48117423f2887640c501836b4c82d251723b86f7ee70c77c548
Markdown586eb3ebfc07f4d4983dfb7a45553f0ff6c5ca827202c3c78b726f24a48df549
PDF
Publication page4bf372d1e900c3edf978579c615bcf0f631afb8450ea2d2750b45aee7f3ac0ae
Manifest5792dce50231cb4d4000a8b7507579ac2822ff5a7be2179c7b99d625b0f3175c

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
SignaturekAbTDbPVlKnt+WiTWL6ZTqQOSUGQ7wos70QLdRLpK9ZvYf6UpUsNH+PlZKU/GtddxlSNmj8S1rzIJwYzZQhVDg==
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

2026-09-17T09:53:51.135673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086177
observed 4bf372d1e900c3edf978579c615bcf0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.118975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086177/manifest.json
observed 5792dce50231cb4d4000a8b7507579ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.102246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086177/publication.md
observed 586eb3ebfc07f4d4983dfb7a45553f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.084509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086177/publication.txt
observed 240b8d64b61ac48117423f2887640c50...
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.