OpenTechnical

OT-2026-000056718

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000056718) never changes.

Identity and time

Publication numberOT-2026-000056718 · never reused
Internal UUID01a0ae87-7af6-79d0-b801-f734d329eb64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056718
StatusPUBLIC

Content hashes

Canonical textfe0b71b1f7c6d9d4aadcf20da6a0da4337d1ebd89f3c717f0d01e199e4804c04
Markdownf095c06f79e62df07bf014e63a0d45efdcb1fb2c01858481d1343eaf4063513f
PDF
Publication pageec50b0bf2ea8359c471cb6f88499e293984bbd54e2e4d7b338a8d34f7f599472
Manifest7a2b0c888c25f63a0218a1d8b53d9352f95f6076e178ba5bc8e5b530130f7e6a

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
Signature9nFEG9nClHaCChbTxGtPJVf1XezJHpRM462GaJ81h70vhZZ15eiSgIsrZFWRKWZD+Pof6/F0jRTgnT+OKuCeDQ==
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

2026-09-17T10:50:09.013149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056718
observed ec50b0bf2ea8359c471cb6f88499e293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:08.994884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056718/manifest.json
observed 7a2b0c888c25f63a0218a1d8b53d9352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:08.976006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056718/publication.md
observed f095c06f79e62df07bf014e63a0d45ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:08.955431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056718/publication.txt
observed fe0b71b1f7c6d9d4aadcf20da6a0da43...
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.