OpenTechnical

OT-2026-000060478

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, vented after 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-2026-000060478) never changes.

Identity and time

Publication numberOT-2026-000060478 · never reused
Internal UUID01a0ae8a-b7cc-7194-b20d-ed934c406f7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060478
StatusPUBLIC

Content hashes

Canonical texte999ffd25a9d3b95bc9e078a96a31fc7876db7271534c0897b4a66ab0b960690
Markdown8599d4f5327c7409c5dce4305c61239bfae1979ac67a985e4b7078e11fb3a2e1
PDF
Publication page8253abe3962c4662ba9ed25f9d0a6b752f5802975e5f425b677bea71f7b6a44d
Manifestf93b5b3a93cd29919206319fcb378b36c3c9476a7aac1019b94f3f765a26310b

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
SignatureaY0NCqxIAmUh0jpGuiyRrEiQ3fyRdS5XYVScN6+4eMvBAWeeWauCFzmcM65Iz/+F5h2g9vYCovj/kahIGlg2CQ==
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...

Independent retrieval

2026-09-17T10:42:58.175385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060478
observed 8253abe3962c4662ba9ed25f9d0a6b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:58.157516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060478/manifest.json
observed f93b5b3a93cd29919206319fcb378b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:58.137411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060478/publication.md
observed 8599d4f5327c7409c5dce4305c61239b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:58.117035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060478/publication.txt
observed e999ffd25a9d3b95bc9e078a96a31fc7...
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.