OpenTechnical

OT-2026-000051988

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000051988) never changes.

Identity and time

Publication numberOT-2026-000051988 · never reused
Internal UUID01a0ae83-e78e-7617-b765-10fa1a89f9ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051988
StatusPUBLIC

Content hashes

Canonical text5fb48ba0d28cc7e79af3906e93507c212945a3966394655208b67c8006fb6e2e
Markdownd91a0ae2953b73b598dca48e527da8f8fb2732332a1c0991b81d8cc782a77986
PDF
Publication pagef8ad94b3d60fd941fb37220c383819c54806e5d3f9294d8c89cc3f8d1f94f4a0
Manifest885a4a225909fe2f2eb5ac4079d7b3408fb02190cf15a0b8d4ce201d46eb423a

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
Signaturet8kczPMAF28YOUL0r/mAl3TLqkO7H5RGyqjam1r8inwqWeF8xaCdZLQAHqXi6AbW5F64uhKjOB1BByLX6bFZDA==
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

2026-09-17T10:57:29.419716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051988
observed f8ad94b3d60fd941fb37220c383819c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.401724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051988/manifest.json
observed 885a4a225909fe2f2eb5ac4079d7b340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.384887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051988/publication.md
observed d91a0ae2953b73b598dca48e527da8f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.368231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051988/publication.txt
observed 5fb48ba0d28cc7e79af3906e93507c21...
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.