OpenTechnical

OT-2026-000026622

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000026622) never changes.

Identity and time

Publication numberOT-2026-000026622 · never reused
Internal UUID01a0ae71-f4aa-7dcf-99bc-faa51df45a21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026622
StatusPUBLIC

Content hashes

Canonical text57fca595c8603e408181f95ce040dcd8749aafb4d31585a6a078a424d5682e09
Markdown975eeabfa42e48c2a534d665ee4b85343e045a574b15df515750c60f091b06cc
PDF
Publication page096d9362e19525401d9a48b4fa7e1106cbb4653267e6b88b0786500bdebd2a54
Manifestadbe4ada47ad5cd46f15b6a42926df1b1b1de961a9f8f555a2bb13898223e2b8

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
SignatureHbIGUT2xiv60akDKzbhejWigFy8pNBW1EGAQgp5vFlD9egaESrLaIG4JARJBaMSF8jrGFP8oH5msK3dSul3+CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:41.749173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026622
observed 096d9362e19525401d9a48b4fa7e1106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.724857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026622/manifest.json
observed adbe4ada47ad5cd46f15b6a42926df1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.696317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026622/publication.md
observed 975eeabfa42e48c2a534d665ee4b8534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.667525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026622/publication.txt
observed 57fca595c8603e408181f95ce040dcd8...
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.