OpenTechnical

OT-2026-000053243

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000053243) never changes.

Identity and time

Publication numberOT-2026-000053243 · never reused
Internal UUID01a0ae85-0a14-732b-a9d5-cd4c1ece6b35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053243
StatusPUBLIC

Content hashes

Canonical text5200c79e7fafc9843d3ee699211b771853312b6962b64dbc1213c65e14ef2aed
Markdownc2f59b9a499624524a87ef660b5e59e4a4ad0551e19f807ac9c698b46ab4424a
PDF
Publication pageb1357787095ee4f847952dba7df3930499fb51e73db4af34d9e17dea3f17fb6e
Manifesteec0602331827dfc79547013ec4ca395628c2c4a8b648b2bceffb73bdc4eea28

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
SignatureV571MhjhhHxpPj6mjyN9RvWP9Hka0Ickfc+hxgBxImIkSevZ6WT8xuEqKRoGbfGDXDEFw2ZkL9Jj54sWVu4DAA==
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

2026-09-17T08:40:55.776657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053243
observed b1357787095ee4f847952dba7df39304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:55.757344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053243/manifest.json
observed eec0602331827dfc79547013ec4ca395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:55.737527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053243/publication.md
observed c2f59b9a499624524a87ef660b5e59e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:55.717528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053243/publication.txt
observed 5200c79e7fafc9843d3ee699211b7718...
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.