OpenTechnical

OT-2026-000086429

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000086429) never changes.

Identity and time

Publication numberOT-2026-000086429 · never reused
Internal UUID01a0ae9a-2c97-7cf4-a360-427a010590a9 · 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-2026-000086429
StatusPUBLIC

Content hashes

Canonical text5150cbb920b884b64a6c29754eb00880f336609649fa43cef30a8215abb4e237
Markdown41c32b581f8887bee44b61409d0475934ba4517880757f414820fc632ccd2f55
PDF
Publication page478dee1c9b40e74c9a0ab6ab7adc17631d77cf24f15ac93440a9dcb72fd47f05
Manifest83057e09fa036a3b32248ff15e008e6c33c0520076228bc7a683ce02a0170fa0

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
SignatureMO8d+yzQaW5x8BHShy5ZKDp1KSQBZ0+8hPIhio73KdNzb5S2BCtFUduuxJWfKkm11pI7cH6+d7pKDPjeHuHtAg==
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

2026-09-17T09:52:13.544286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086429
observed 478dee1c9b40e74c9a0ab6ab7adc1763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.525780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086429/manifest.json
observed 83057e09fa036a3b32248ff15e008e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.508381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086429/publication.md
observed 41c32b581f8887bee44b61409d047593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.491530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086429/publication.txt
observed 5150cbb920b884b64a6c29754eb00880...
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.