OpenTechnical

OT-2026-000085881

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000085881) never changes.

Identity and time

Publication numberOT-2026-000085881 · never reused
Internal UUID01a0ae99-e829-7036-ba13-2e06187570cf · 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-2026-000085881
StatusPUBLIC

Content hashes

Canonical textcfdcdf864b0fb4d8e3ff40024f90ec88e6ae1a9d79af13a3eac16e29a11c98b5
Markdown8c77472896f979377505290bd77d6d3e57627238a96fb4b4bc7afcff38f8a252
PDF
Publication pagee07d5432c70d67e41d49f215f0dae6bda1904fc5c3dd9d53a7e7318acd57065f
Manifest558ed40909cae00c364b1b19cc266ab09ed42c6e3a0b49e11839df796c5dde63

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
SignatureClkdbLQDU/MaTttzJAU8+Jtc9P6VzKUenON+Yq5oR6aCjGiHF3tyzGa9txPvBMXcTvcP3kBJfNpak3ckyjQnBA==
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

2026-09-17T09:52:49.180696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085881
observed e07d5432c70d67e41d49f215f0dae6bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.163114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085881/manifest.json
observed 558ed40909cae00c364b1b19cc266ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.146310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085881/publication.md
observed 8c77472896f979377505290bd77d6d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.129592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085881/publication.txt
observed cfdcdf864b0fb4d8e3ff40024f90ec88...
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.