OpenTechnical

OT-2026-000052690

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented before set-down, on a tool changer

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-2026-000052690) never changes.

Identity and time

Publication numberOT-2026-000052690 · never reused
Internal UUID01a0ae84-573c-7d5f-a6de-8860505e68f3 · 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-2026-000052690
StatusPUBLIC

Content hashes

Canonical textd67d6c79b9ca617197c81575cba334ec15e3404b6fc07537f8f02dae331e7708
Markdown33696bb6e1f7828022e7e6820df8708c36023dbb9754e18379e86576b43ca96a
PDF
Publication pagecdfef4a198302e1586a8f4c0e1dafc0bf0c72deaddb664d011bb11e25c1bc5cb
Manifestbe25779bffb46c29b0616b5fb4092fdb364af8e4cf07987ef047a21c5167a98f

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
SignatureGtzXn+ZEZCw70iGuZhsLvk6adRr8EgqRyPOCqXTDUcy8h9uXra0POxRVdMQC1+P7VfPM9CGLiSIxPy7Nh044BA==
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

2026-09-17T10:57:23.287552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052690
observed cdfef4a198302e1586a8f4c0e1dafc0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:23.269015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052690/manifest.json
observed be25779bffb46c29b0616b5fb4092fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:23.249128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052690/publication.md
observed 33696bb6e1f7828022e7e6820df8708c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:23.231123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052690/publication.txt
observed d67d6c79b9ca617197c81575cba334ec...
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.