OpenTechnical

OT-2026-000060476

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000060476) never changes.

Identity and time

Publication numberOT-2026-000060476 · never reused
Internal UUID01a0ae8a-b7cc-7bc5-aaf5-f2b363b27474 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060476
StatusPUBLIC

Content hashes

Canonical text37b9500a3d63c1c22842486e5e0a2b9f14561c8f88518dec9a00f370e65d0684
Markdownc78e59f56f357207a124f61eaf057f39ba498362bf2d5d059b5ad7c4fbc049de
PDF
Publication page83bb11524408f7a0e4c3ae3ebfce3aa3811f16a73ee11644b557bb1002c5bef1
Manifestd44fcbbba1f6983bab6f12c33a117bb28c3bc18a28a8d312b3b3d2462cf0e3c9

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
SignatureZ7YxhdXM0ykgwMAK66EL0B+s7U/u9xKuB1s2M1aAIShbe1/18aeSdrZ37Ln4C8xUuP+A6CObAWmd57Xoer8zAg==
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

2026-09-17T10:42:58.020635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060476
observed 83bb11524408f7a0e4c3ae3ebfce3aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:58.000987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060476/manifest.json
observed d44fcbbba1f6983bab6f12c33a117bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.982280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060476/publication.md
observed c78e59f56f357207a124f61eaf057f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.963314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060476/publication.txt
observed 37b9500a3d63c1c22842486e5e0a2b9f...
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.