OpenTechnical

OT-2026-000086210

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000086210) never changes.

Identity and time

Publication numberOT-2026-000086210 · never reused
Internal UUID01a0ae99-e82c-7bf5-ba91-c6b0db92a07c · 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-2026-000086210
StatusPUBLIC

Content hashes

Canonical text41f5c7e7cc7750e9bd92cfdc8fd8d8201b44ed09b91f5c6c6925311be71335c2
Markdownad9ecc8ad14a11852c0b357ea1d020d92dc79ceaea97826de7505d74165bca29
PDF
Publication page984c9fc72fa75e70337f2ed0133cd1f7e72097c20d4cf398e7dbfd12e2a26f33
Manifest5537c56628e536e21976a3abc480761c4002c155bb1d212b475160f0c4faa1dc

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
SignatureaYJvjV0Z3KnWmfpWQfxAaJmJwB8vrYUGNgyM2fYKIXV3DiD1+fK8q9YDoN0AL7ByJP12l9dX4RhjmVjVma3nCA==
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

2026-09-17T09:53:53.542942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086210
observed 984c9fc72fa75e70337f2ed0133cd1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.526399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086210/manifest.json
observed 5537c56628e536e21976a3abc480761c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.507721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086210/publication.md
observed ad9ecc8ad14a11852c0b357ea1d020d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.489901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086210/publication.txt
observed 41f5c7e7cc7750e9bd92cfdc8fd8d820...
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.