OpenTechnical

OT-2026-000052233

Publication integrity record

Six cup 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-2026-000052233) never changes.

Identity and time

Publication numberOT-2026-000052233 · never reused
Internal UUID01a0ae83-e790-7a75-84eb-9dc1339c835a · 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-2026-000052233
StatusPUBLIC

Content hashes

Canonical textb0e762cc0c050d66fe27b17520964fe2d67a057022d17d32f27b8b6b105a1aac
Markdownd2f3f2b287fac7b6cedb18a414240a0ee9e6c6ce23535a40e284e06e3d00f5b8
PDF
Publication paged70a7ba14a7db873378f3a1cc8b5df5d09c22397c1ae133e856e5e4a454ddde8
Manifest338ffc39530eef812488c24c2a3c74317f4e11ced1674c0ad0eb465c7d4e0872

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
Signaturef/nXKRIT06Ssk9gzQrqmu1S3NNcJJc1Au+R/0zjVWtfZR5VOqoSuXw/KbThvzxxMuf4+6NgIHmioGKVjKpBvCQ==
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

2026-09-17T10:57:48.524445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052233
observed d70a7ba14a7db873378f3a1cc8b5df5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.507300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052233/manifest.json
observed 338ffc39530eef812488c24c2a3c7431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.490777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052233/publication.md
observed d2f3f2b287fac7b6cedb18a414240a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.473354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052233/publication.txt
observed b0e762cc0c050d66fe27b17520964fe2...
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.