OpenTechnical

OT-2026-000081607

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000081607) never changes.

Identity and time

Publication numberOT-2026-000081607 · never reused
Internal UUID01a0ae97-0f72-7f0e-9feb-b0a48a9a9acd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081607
StatusPUBLIC

Content hashes

Canonical text4a22028b909b0fac9becabf2eff59bd23778318bda2406371cf49aafe5424717
Markdownbeb402e33549f5e0befd22b655202af066d297aa30c76bc5f8f652978ae30f99
PDF
Publication page5c4d4b09918add349bef23cc8380d6aeb39477bb268c4064ae967f30f2d2a1f0
Manifeste0c776693bf21be2360329122d54febbaefa0aae6b01977ac5b05449fcd3aa72

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
Signature4DablzOFb62J37ibIpEWxL+krMpsAFCNgUTKtwfrW+8eQ13ILs/GzgCQRl7COs+TQbtlD+EXiQrCrJYxVSuuAw==
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

2026-09-17T09:59:38.785885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081607
observed 5c4d4b09918add349bef23cc8380d6ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.767975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081607/manifest.json
observed e0c776693bf21be2360329122d54febb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.749809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081607/publication.md
observed beb402e33549f5e0befd22b655202af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.731559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081607/publication.txt
observed 4a22028b909b0fac9becabf2eff59bd2...
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.