OpenTechnical

OT-2026-000026879

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pulsed 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-2026-000026879) never changes.

Identity and time

Publication numberOT-2026-000026879 · never reused
Internal UUID01a0ae72-3452-78cf-87a7-ea82b3877dfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026879
StatusPUBLIC

Content hashes

Canonical textc064c3591782e13be19c60a1907645a418e1641f57c57612577702b54b242cae
Markdown87fb17b293afcd073f4644c0a9240feaf7ec81906597d6effb774efe1e5baca0
PDF
Publication pagede9bd6649b55eb89a52c6f0d8bf47e6cd4df7d71fe65da291d590e1a069d1266
Manifest76f531e3aaa7903db21febcd62de532fe77efbc1265f62746a896fc13f48b131

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
SignaturehYOwJUWKnzyxFHapOHVNLdWRnL7/j3z9JXnPx4fIuQzhHqucILCphUfMTBFMZq3j2DVxBzAuaI64jBhf69D9Bw==
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

2026-09-17T11:43:29.066191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026879
observed de9bd6649b55eb89a52c6f0d8bf47e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.048948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026879/manifest.json
observed 76f531e3aaa7903db21febcd62de532f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.032668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026879/publication.md
observed 87fb17b293afcd073f4644c0a9240fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.015689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026879/publication.txt
observed c064c3591782e13be19c60a1907645a4...
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.