OpenTechnical

OT-2026-000058361

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000058361) never changes.

Identity and time

Publication numberOT-2026-000058361 · never reused
Internal UUID01a0ae88-f399-7e91-86dc-f1d780ff5753 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058361
StatusPUBLIC

Content hashes

Canonical textd16559b1e2f6e24ab8be2552b5f73ead2aa476a628d7bbe4671b7f027e20e606
Markdown3ffe26b9b7d2accd338b8f989143791ddcece3e483ba90a8f2fa04996ebb3fe3
PDF
Publication pagefe70e579fecdebd1d2952d7817de07ed153b85355d04e6290bc9db2b80f7e23e
Manifest2f890b26241f666592f7967f72c9ad01e1e761c68a9ec9705710c2f5e58c919c

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
SignatureFBIF7DntwWZ4sHm7x88Vv+P4FIhXmWWcISuXvJhHjDYEzUZl+otzYn4zuloGIXzbTTmCouANMt2i5gN/Wf80Cw==
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

2026-09-17T10:46:46.732578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058361
observed fe70e579fecdebd1d2952d7817de07ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.715378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058361/manifest.json
observed 2f890b26241f666592f7967f72c9ad01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.698084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058361/publication.md
observed 3ffe26b9b7d2accd338b8f989143791d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.681585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058361/publication.txt
observed d16559b1e2f6e24ab8be2552b5f73ead...
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.