OpenTechnical

OT-2026-000057638

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000057638) never changes.

Identity and time

Publication numberOT-2026-000057638 · never reused
Internal UUID01a0ae88-2694-734c-a8ce-3a609c233f29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057638
StatusPUBLIC

Content hashes

Canonical text244f79532e9e9ab67dfe60448db2e8b33d26f78fc7a8eb573a4082ab8fa3aec0
Markdown3efc893faecb507787d9031fd35842e1eaa437c7b3ff134658902c1d250cc4f3
PDF
Publication page4937ef7e5aa85687fd3289742c245bf26f70e9e9e1862c874a087ee7e34ac3e7
Manifesta798565c1a8995b501f19aaf16ad4b48d60638af62dd93f0757a32111df86864

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
Signaturextn1sy5j0IbX6x0JiqtuKH1/X2CAsBz4+cA1racSBui4wAvIpHOVy2uoHHYKZqN+p+miQsz9Txf2x5qsK27XCw==
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...

Independent retrieval

2026-09-17T10:48:12.098276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057638
observed 4937ef7e5aa85687fd3289742c245bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.079845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057638/manifest.json
observed a798565c1a8995b501f19aaf16ad4b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.061362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057638/publication.md
observed 3efc893faecb507787d9031fd35842e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.042604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057638/publication.txt
observed 244f79532e9e9ab67dfe60448db2e8b3...
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.