OpenTechnical

OT-2026-000051838

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, vented before 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-2026-000051838) never changes.

Identity and time

Publication numberOT-2026-000051838 · never reused
Internal UUID01a0ae83-7c84-74a8-a491-3709ad1308aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051838
StatusPUBLIC

Content hashes

Canonical text37fac35b61aabcdf32234e7d7b093d3931e83be42eed08d8ca29d34c4eacdb7f
Markdown7ca5ad3263ba2810e40a44ad5d32bd857efb5e81c8999478bf59f2423b8b7ceb
PDF
Publication page6fd5e963aab2ce668ab4d4ed6115a5717481d5fec57fbb6e03d94958a4dfeaf2
Manifest07be5f402aaa2bd5f570fc65f3a071ace0135fce113568e303cf99fa8b4ce671

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
SignatureI9ezoLLuq9gu4IH7dznUYXne8SWvQXsin9V262YmSI3xGz79IOQE6kcr+Pxv8Smnn/Xit+7mulzphBWN6XJ3DQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:45.905121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051838
observed 6fd5e963aab2ce668ab4d4ed6115a571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.884138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051838/manifest.json
observed 07be5f402aaa2bd5f570fc65f3a071ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.864834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051838/publication.md
observed 7ca5ad3263ba2810e40a44ad5d32bd85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.846295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051838/publication.txt
observed 37fac35b61aabcdf32234e7d7b093d39...
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.