OpenTechnical

OT-2026-000030094

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000030094) never changes.

Identity and time

Publication numberOT-2026-000030094 · never reused
Internal UUID01a0ae73-ac4a-7d02-92e5-b2302a6b9d5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030094
StatusPUBLIC

Content hashes

Canonical text59711ab7cffff6f10d77dc3eabe7b48ebb465edc7cbf7b313c83f772f321e869
Markdownd32e99141b2a800e5617f3903910bd7cd6678b3747a4e8f4e59c868a9413894e
PDF
Publication page00c5134985f44911dd51a56538f3653ef1fa4244b7ff1246ea85d00d8a8b77f0
Manifestdd30fa2b32fe04930037fba3e7c81727e2d52a58ca8ed782b3ab77e0077ae465

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
Signaturei9uFpyIJXDR5GVp7h3ffoYPz2rV81JpuPp9iHg5558sNX4Z+C4Wa75DEzYIqTZcAOk1Dy5p0A8EJ4Mgz9rIECQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:50.734552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030094
observed 00c5134985f44911dd51a56538f3653e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:50.718257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030094/manifest.json
observed dd30fa2b32fe04930037fba3e7c81727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:50.701375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030094/publication.md
observed d32e99141b2a800e5617f3903910bd7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:50.681758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030094/publication.txt
observed 59711ab7cffff6f10d77dc3eabe7b48e...
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.