OpenTechnical

OT-2026-000061194

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented after 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-2026-000061194) never changes.

Identity and time

Publication numberOT-2026-000061194 · never reused
Internal UUID01a0ae8b-1380-7347-8e9b-c2dae6564231 · 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-2026-000061194
StatusPUBLIC

Content hashes

Canonical text613ccafc9d7f7124452ca2e4b3a4bd3860958a08b4cd2113d3e90080f89d496e
Markdown781f8974cfe7332b79da8cecc8946ffeb67fdb90b39ac937b11199a0b9d685ec
PDF
Publication page73adb1986c0f03def1c4258bfe1bc45e68475f3c83649622f35e4a90759c284a
Manifeste110041cf70e09d829d2ae396084f69152f52d32c88209f20f282d608318ac05

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
Signature1WKO1eIJjRPXeT89xH7L1jE0ueAAiDfERhJ+ysq3AG4PeFPk7ME2e65oBRjTogfFKh52nDfFnCz5aAqauw5KCw==
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

2026-09-17T10:42:35.459818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061194
observed 73adb1986c0f03def1c4258bfe1bc45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.442337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061194/manifest.json
observed e110041cf70e09d829d2ae396084f691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.425085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061194/publication.md
observed 781f8974cfe7332b79da8cecc8946ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.406333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061194/publication.txt
observed 613ccafc9d7f7124452ca2e4b3a4bd38...
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.