OpenTechnical

OT-2026-000058491

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000058491) never changes.

Identity and time

Publication numberOT-2026-000058491 · never reused
Internal UUID01a0ae88-f39b-75f0-b366-d7090c468df4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058491
StatusPUBLIC

Content hashes

Canonical text1cbe35b10f08d494eb482275eb498a8d4c8340cd43fdd35eb8211544f70f4770
Markdownb37aeb265adefee9acc759e296bebf481aa9c9e3a8624b81ff11463bbf4b42b6
PDF
Publication pagefa7d6b22c14291a538865369c8a1d0b52342d24bcbf40e77cb4c94972bf6dfaf
Manifeste126e913385118c946c5095da8487d5577b355a5aaa1a38c4670d274b0e7a99e

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
Signaturetf7XeWjlMTNGdQX0oLPWrxKk4xQCrzllcVy9B8GF0wAKTNULe+MNvJr2j+Xh2fqgrJJtKLELMbncir53oJRMDg==
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

2026-09-17T10:46:56.920554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058491
observed fa7d6b22c14291a538865369c8a1d0b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.901837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058491/manifest.json
observed e126e913385118c946c5095da8487d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.883954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058491/publication.md
observed b37aeb265adefee9acc759e296bebf48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.863560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058491/publication.txt
observed 1cbe35b10f08d494eb482275eb498a8d...
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.