OpenTechnical

OT-2026-000088626

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum 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-2026-000088626) never changes.

Identity and time

Publication numberOT-2026-000088626 · never reused
Internal UUID01a0ae9b-8f0f-7648-bd2c-a2a5f04833dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088626
StatusPUBLIC

Content hashes

Canonical text97c3dcff147501ef6b2051363475639803ecc20222ca41ef3bf91d87fa310f07
Markdown8ea4c339bf8d7204bf41fba664cc66f74606cb9d50ddf1f3b5054bc5843dd4f5
PDF
Publication page31b9cb0dcd808d65aea1a6abed2824f9130285f135825521b547c5e9a0725ca1
Manifest803e86dc4f8769d36d6851aba6496e0d093b60942db0477af99c00a2a9741951

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
SignatureYWRMg1K1pGuu57Ya805V0zUD16Ocsd0bUE1ehOig9kjxlrTzcLFN6bzzeA3uwAwdd4wGXVF1Na56enKE6iHNAA==
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

2026-09-17T09:47:50.306141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088626
observed 31b9cb0dcd808d65aea1a6abed2824f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.288673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088626/manifest.json
observed 803e86dc4f8769d36d6851aba6496e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.270775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088626/publication.md
observed 8ea4c339bf8d7204bf41fba664cc66f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.252594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088626/publication.txt
observed 97c3dcff147501ef6b20513634756398...
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.