OpenTechnical

OT-2026-000086727

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000086727) never changes.

Identity and time

Publication numberOT-2026-000086727 · never reused
Internal UUID01a0ae9a-2c99-7053-aa23-018643d60cf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086727
StatusPUBLIC

Content hashes

Canonical textefb53cf04779e7c9da7fad78b11c1d07c530bc40af8c66682a7b4521278c09d9
Markdown08902dbcd66d9f68c1cd9647f7fec099f53a68b53e77545c0fe71109a921e03b
PDF
Publication page7b4a45b2d7754184323546815ca5d15725099ffa4775faf6b77961e187c64017
Manifest25947df24a2520485e04ffd3079611c44de33e2eea70d2c703e7105809242005

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
SignatureExl/eNU8LeWA6jZZuKmP2HiWV9rPQN8ud7IPidGaOa0l+jE7lQHxkt0cUjz8jtPHFtPMgUjss/YXg6PnVXNXAg==
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

2026-09-17T09:52:36.323002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086727
observed 7b4a45b2d7754184323546815ca5d157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.306043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086727/manifest.json
observed 25947df24a2520485e04ffd3079611c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.278178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086727/publication.md
observed 08902dbcd66d9f68c1cd9647f7fec099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.256394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086727/publication.txt
observed efb53cf04779e7c9da7fad78b11c1d07...
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.