OpenTechnical

OT-2026-000089199

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000089199) never changes.

Identity and time

Publication numberOT-2026-000089199 · never reused
Internal UUID01a0ae9b-db00-7241-99f7-68713294b549 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089199
StatusPUBLIC

Content hashes

Canonical text12127aa8842d3f16d49ea2adce9f0ef4a0bb30c8dee39fcdb0906fd8ad1fbedb
Markdowne4993222362e81b1320e9439c2cf36ed6dc22da7fee03753adfbf06574094a6c
PDF
Publication pageacc8e90f028268cf8957fbae71dafbf7d29ec5c18a2d37a95309524655ccc83e
Manifest2256ee1d2995fe436d588c7cbc19072a89fc587fe31b6f4dc8f019bce44881a3

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
SignatureQ44gM+pTWdzd4QR9B/Bl94HltrPt1WV0C1wtXjZDNKzcL9LAVn5VBIz+22enigRvsnipUF9igB12RGZzyls5Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:12.997644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089199
observed acc8e90f028268cf8957fbae71dafbf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.979990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089199/manifest.json
observed 2256ee1d2995fe436d588c7cbc19072a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.963792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089199/publication.md
observed e4993222362e81b1320e9439c2cf36ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.944889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089199/publication.txt
observed 12127aa8842d3f16d49ea2adce9f0ef4...
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.