OpenTechnical

OT-2026-000056694

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum 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-2026-000056694) never changes.

Identity and time

Publication numberOT-2026-000056694 · never reused
Internal UUID01a0ae87-7af6-709c-bb50-df8a82f5e313 · 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-2026-000056694
StatusPUBLIC

Content hashes

Canonical text6e6bfb9afab00cc1f388c7fe87c96f6daa086372444abc1beb2fa2abb66362a1
Markdown86365f20fafcedfaa864ac87effa4778fe57d4cd5a3f968e84dcb341c8b94a84
PDF
Publication page9889ac9c61480cccdd4e0930a460d5a7cff72410956b3696c3768264bb53acf4
Manifest5150157bff931468423d1dbfa6a4fdd8aa4a713ff175b92d42e18d313aae0df9

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
SignatureS1Ya7gKtgc649hyoVfBlqFTZjTvpDgzwSRZMa9soAujFFdQNYA+WiNLNtt7ezBc6+0VMks8Sqr9j9w/x5e7ADA==
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

2026-09-17T10:50:05.892890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056694
observed 9889ac9c61480cccdd4e0930a460d5a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.874423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056694/manifest.json
observed 5150157bff931468423d1dbfa6a4fdd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.851104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056694/publication.md
observed 86365f20fafcedfaa864ac87effa4778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.830477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056694/publication.txt
observed 6e6bfb9afab00cc1f388c7fe87c96f6d...
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.