OpenTechnical

OT-2026-000026563

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, 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-2026-000026563) never changes.

Identity and time

Publication numberOT-2026-000026563 · never reused
Internal UUID01a0ae71-f4a9-7ef3-ba55-523a6046928b · 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-2026-000026563
StatusPUBLIC

Content hashes

Canonical textf4eca3068baba8187b57785ef22963cfacbfa1354f7b09d220fe42e442f6d2db
Markdownb7e53cc416bd86c7ca5eb3f621bb7a0f360005a2bbf7aa7aaf37c6cf3441dc8d
PDF
Publication page0bbbe91fb4320c9c0ee444146163a475f12144b1e5b37ff058e3cfa9601a375a
Manifestd6b50f19579bcd285c0b26a031cc7fedf8c59c6673b321667105f71b725b58a5

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
SignatureeyhUzJcg/ui0/jwAY23EeHuDc+dXOJsHNFLK90SIN1eIoUqbbevXuTHt2cv7LW+wsAZFicLCBul+/Bv11xeCBw==
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

2026-09-17T11:44:41.589115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026563
observed 0bbbe91fb4320c9c0ee444146163a475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.571223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026563/manifest.json
observed d6b50f19579bcd285c0b26a031cc7fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.554148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026563/publication.md
observed b7e53cc416bd86c7ca5eb3f621bb7a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.535432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026563/publication.txt
observed f4eca3068baba8187b57785ef22963cf...
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.