OpenTechnical

OT-2026-000052075

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000052075) never changes.

Identity and time

Publication numberOT-2026-000052075 · never reused
Internal UUID01a0ae83-e78f-7f27-8f06-e1246e9fe8e4 · 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-2026-000052075
StatusPUBLIC

Content hashes

Canonical text836994fb5251187f0310f7dfcad883786eb42e7c8ad7fc30b8afbf54285bd727
Markdown3e3f71338538de639f833b36e288ade027b6c3dec224a561a33e813e8c916cd2
PDF
Publication pageda08ea9cefe5fae93fad3781ccbd0a5ac04e8a549b62a3c472ef143d39db15ae
Manifest7410e19f232783ae8b0c70ffefc744eea3ed97efdc20ddce08de967015231e7a

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
SignatureUELG2z8JjDKS477iQBdYGXAJfnx+jCl3ebaaQox3CRtvOHPw5JBu4yRaW4wuPfAVzO34VBBoyXlKcp5EZaQnDg==
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

2026-09-17T10:57:36.085326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052075
observed da08ea9cefe5fae93fad3781ccbd0a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:36.067036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052075/manifest.json
observed 7410e19f232783ae8b0c70ffefc744ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:36.049551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052075/publication.md
observed 3e3f71338538de639f833b36e288ade0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:36.031198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052075/publication.txt
observed 836994fb5251187f0310f7dfcad88378...
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.