OpenTechnical

OT-2026-000055899

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000055899) never changes.

Identity and time

Publication numberOT-2026-000055899 · never reused
Internal UUID01a0ae87-0a4a-7bdd-b155-b195a4b44810 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055899
StatusPUBLIC

Content hashes

Canonical text62c3e6b70147881b5bae0f67f142b49b38700a2ccf9dfc7ed7af23d7d7defe4c
Markdown7527ce2cb9bfe0139599e9e54fd91b31629852399d564fb2a035ed70926a0253
PDF
Publication page95a0c6d975fe0811967f00f14f1c18ce635777e6febc3d9575d4c52ee232dc5a
Manifest93e3eef5a7f10d3ce8b4d16a00e0dc9ae1a416e3140dbd2fc66c9c3528ff52a2

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
Signature7O62HX7zdRoPXjG3VnOwFyTEnYxqQa6Slo1HDymPemGqx/46q0igMGp0Tip/2iujDcvTEIObgeS2svY93QUrDw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:24.045616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055899
observed 95a0c6d975fe0811967f00f14f1c18ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.025207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055899/manifest.json
observed 93e3eef5a7f10d3ce8b4d16a00e0dc9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.006277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055899/publication.md
observed 7527ce2cb9bfe0139599e9e54fd91b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:23.986965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055899/publication.txt
observed 62c3e6b70147881b5bae0f67f142b49b...
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.