OpenTechnical

OT-2026-000052778

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000052778) never changes.

Identity and time

Publication numberOT-2026-000052778 · never reused
Internal UUID01a0ae84-a42d-75a3-b775-8410ab75ead5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052778
StatusPUBLIC

Content hashes

Canonical text4171d0c7d569a1d3e415d30d60dea326f0347f1d831723e2f4f57a7c95dc250d
Markdowne2a3e1c273d35f6d81f4a00f285413b6e27106129cd11769a2a8ee7a346e29f5
PDF
Publication page079502d5f4c7c401daa51ad21532270ffe98384b84ec2f86dbf4480e379df742
Manifest4cc9f346e864db102112f4b83363dc867f1772bfe9ea65a126545ca3317150bd

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
SignatureSZp9CVgkgjjn7oiLMZ51fQIh50tW34nqhgGUTYnEVf3/0ouMGtisq4m/XyRNk70EB+HQSY6f9kLd30JNINVtDQ==
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

2026-09-17T10:55:47.277295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052778
observed 079502d5f4c7c401daa51ad21532270f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.259137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052778/manifest.json
observed 4cc9f346e864db102112f4b83363dc86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.241031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052778/publication.md
observed e2a3e1c273d35f6d81f4a00f285413b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.222918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052778/publication.txt
observed 4171d0c7d569a1d3e415d30d60dea326...
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.