OpenTechnical

OT-2026-000051862

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two 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-2026-000051862) never changes.

Identity and time

Publication numberOT-2026-000051862 · never reused
Internal UUID01a0ae83-7c84-7ed7-945e-8d388ba5b012 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051862
StatusPUBLIC

Content hashes

Canonical textf2264e68fd00417346bce4c48af2efc0066edccc0ac9ea6b21f5892433a55121
Markdowne523d1e1103f63d8b7e6bad2b99ce59b0106974e7bdf42bb813f2a7ea61b5966
PDF
Publication page21909bdfbd7875002dfb9c78b1771c6791740afd3ec8619281e6f623c3b0a4f4
Manifest166d803b2d749314875cc128d466ac7a63437db23eae2bdf9aa5d5948e7b4787

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
SignatureHJ9+7DU8idCpVBl5nCBVFs5RhX7aEbT6hu7LV24kEQbM+lt99PutBcc9wBdYGOQ6eayiz8wV01xqu8tcXtoSBw==
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

2026-09-17T10:58:47.745468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051862
observed 21909bdfbd7875002dfb9c78b1771c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.727875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051862/manifest.json
observed 166d803b2d749314875cc128d466ac7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.708667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051862/publication.md
observed e523d1e1103f63d8b7e6bad2b99ce59b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.690565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051862/publication.txt
observed f2264e68fd00417346bce4c48af2efc0...
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.