OpenTechnical

OT-2026-000009889

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000009889) never changes.

Identity and time

Publication numberOT-2026-000009889 · never reused
Internal UUID01a0ae6b-cb78-7967-a277-3c42e9da73df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009889
StatusPUBLIC

Content hashes

Canonical text4c6f0b36f38fbecf5176127a6de9669e799b0fe91b9e3af71ea9757db60deb49
Markdown646449874feb6f8f0726294ce5d822b17894477438f0f524f7afddd011ce40e5
PDF
Publication pagea0add4589dff035a54db937313f3fa4227ceebd78791f15253ca06897671850d
Manifest8820d0d8f2c052505f882442d8a408596fc40bef6770757f41cff6dce17ca37d

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
SignatureG5goHvg78QNIyN/xkAlKbDtSVTBpokcHs1iPHEOfgXMDd14H5OCloBlBaiNXN7zMJRDqthgz7VX0K3/dMmIzAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:53.932618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009889
observed a0add4589dff035a54db937313f3fa42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.912697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009889/manifest.json
observed 8820d0d8f2c052505f882442d8a40859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.892275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009889/publication.md
observed 646449874feb6f8f0726294ce5d822b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.872557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009889/publication.txt
observed 4c6f0b36f38fbecf5176127a6de9669e...
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.