OpenTechnical

OT-2026-000051887

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000051887) never changes.

Identity and time

Publication numberOT-2026-000051887 · never reused
Internal UUID01a0ae83-7c85-784d-b0d2-b6d02b83863f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051887
StatusPUBLIC

Content hashes

Canonical text7a2955fd11005ff275b289d3d45bc9449bca5de9ed09ffd17fc2972e2cbe50e0
Markdownbcd69adb07b9000735b1d075326517ad78b5fe4055054c37b14f0395f3397d4b
PDF
Publication pageacd05a679626a078443799d7004ee48bcfc93cbe2d46cd7af5bf8739a36b02df
Manifest1357143149148174a3d464d1709fd35ebd60957b55c607a3f0064b4f33cea9ce

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
SignatureZYB25nDFsr+1XTtSNX91g+KxADO2/M3UpSUyg0wZtwta6cAe/Gr0w0Amz4Qjkr6B8M/tc7DjIFyd2utfqHpxAA==
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

2026-09-17T10:58:49.699930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051887
observed acd05a679626a078443799d7004ee48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:49.673176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051887/manifest.json
observed 1357143149148174a3d464d1709fd35e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:49.652330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051887/publication.md
observed bcd69adb07b9000735b1d075326517ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:49.632883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051887/publication.txt
observed 7a2955fd11005ff275b289d3d45bc944...
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.