OpenTechnical

OT-2026-000057863

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000057863) never changes.

Identity and time

Publication numberOT-2026-000057863 · never reused
Internal UUID01a0ae88-6ed8-7a4d-8f55-4a59f6a78777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057863
StatusPUBLIC

Content hashes

Canonical text13e8b8249bc475e916f9a51bb2abd30f80dd3c7be18fb7b2829f648f8de628bb
Markdown488c7a4386aa1fe63a96c0b58b9797a45b8a871995c060a7515513868147566d
PDF
Publication page324e0dc718b12c4a5260500d1e3d946d6b037bf20b2fac48bb14c5708de317b7
Manifestc4b1de38490cae35e71a9e48223791296d731d06866e19b21fe428ffdce89d8c

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
SignaturezZAUCcl7Wd/jwpcKOtPQGdJ1Jqpc2dvuGIbFF1AQUpeU5isOy754lex9Y5mZTAo2WHI8+FFtjCuVFrqASWwvAA==
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

2026-09-17T10:47:26.816536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057863
observed 324e0dc718b12c4a5260500d1e3d946d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.793633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057863/manifest.json
observed c4b1de38490cae35e71a9e4822379129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.775651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057863/publication.md
observed 488c7a4386aa1fe63a96c0b58b9797a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.758615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057863/publication.txt
observed 13e8b8249bc475e916f9a51bb2abd30f...
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.