OpenTechnical

OT-2026-000086093

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000086093) never changes.

Identity and time

Publication numberOT-2026-000086093 · never reused
Internal UUID01a0ae99-e82b-7fd1-a5e5-969ec2cbf45e · 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-2026-000086093
StatusPUBLIC

Content hashes

Canonical text980c70d2c92dec252959687368fe784c893e3acf58718dcf73a2b1456edad2de
Markdown46d8f5199c9a7b1be6772b0fd44e2252e2516f72ce70e04cf44bbdc5448c4dc6
PDF
Publication page515048ea8a7efe31f82ee5e197b6297cbf9c8981973b8aee0eb3fb23f37fe4d5
Manifest79aaeda1d6bd03f7f7394842a8992d34b2bbdee649949e5ba534fb1013d158cc

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
SignatureQFX67C/i4M0unD1t/KxODrkPxfjDtmVtzeBrN53uG8aUTi6CgXOei/Ga1ua69yhzguJsr6OENDYpecr81dvqBA==
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

2026-09-17T09:53:44.444854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086093
observed 515048ea8a7efe31f82ee5e197b6297c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:44.426124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086093/manifest.json
observed 79aaeda1d6bd03f7f7394842a8992d34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:44.404894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086093/publication.md
observed 46d8f5199c9a7b1be6772b0fd44e2252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:44.386624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086093/publication.txt
observed 980c70d2c92dec252959687368fe784c...
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.