OpenTechnical

OT-2026-000052438

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000052438) never changes.

Identity and time

Publication numberOT-2026-000052438 · never reused
Internal UUID01a0ae84-5739-7fe8-b831-2d3439ebe68b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052438
StatusPUBLIC

Content hashes

Canonical text14451f40a327481709db83c138491496b8363cf681d29218547f4a1edd25e618
Markdown7da9e75404789a680aac35451ee2c1f50286011859773f3740a35dbd470d8976
PDF
Publication page36d1c323a0f5d00cb94d871aae9ebfb54c3f8942fd229668760cf01285946b48
Manifesta78ebefadf5d58d2380aa890ca6b17c5315a927c604019caf7f8707373db10b2

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
SignatureXcOhhXQ5Q3uvlaplDyU9ADHnKEa8BiM4atKGWenOa3pyLJqQCWoqXgaFqdNZkUsFNlz3H8/tWD0sIxySCnB9Cw==
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

2026-09-17T10:57:03.488833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052438
observed 36d1c323a0f5d00cb94d871aae9ebfb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.473018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052438/manifest.json
observed a78ebefadf5d58d2380aa890ca6b17c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.454038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052438/publication.md
observed 7da9e75404789a680aac35451ee2c1f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.435986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052438/publication.txt
observed 14451f40a327481709db83c138491496...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent