OpenTechnical

OT-2026-000061314

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, vented after set-down

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-2026-000061314) never changes.

Identity and time

Publication numberOT-2026-000061314 · never reused
Internal UUID01a0ae8b-1384-751c-8a0b-3f894c75b8ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061314
StatusPUBLIC

Content hashes

Canonical textd66565748b0267033381c9c431d09b15d34dbba923d258a91a7387861318c47e
Markdown010c914c36a0ef0fc42772f8cbdb6faebd1f589550ab8cae08ee34d0203f7667
PDF
Publication page31ee6732fa1f99d4160fc6ac68e0139e720d4def39921a4d40fc1fb20daf993a
Manifest5710fcc2f48388f24c1fd1ff4af2c1d319f4fc8c5bec30866b1fe89902e9d1e0

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
SignatureoKns7JRYP6kPJuOMVV02kjtCUhCoVrzEKkary0/HgxuPqARdWRTMMOg0R+TSjwHtDPtNeAk0JShUhc7bmwJkBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:44.883295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061314
observed 31ee6732fa1f99d4160fc6ac68e0139e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.864302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061314/manifest.json
observed 5710fcc2f48388f24c1fd1ff4af2c1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.847891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061314/publication.md
observed 010c914c36a0ef0fc42772f8cbdb6fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.831933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061314/publication.txt
observed d66565748b0267033381c9c431d09b15...
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.