OpenTechnical

OT-2026-000060960

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000060960) never changes.

Identity and time

Publication numberOT-2026-000060960 · never reused
Internal UUID01a0ae8b-12f3-78f4-849c-d0ddffb7aaa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060960
StatusPUBLIC

Content hashes

Canonical textf83a8285e74f5c57edef7a12efa27e84088f450d8882a260cc051c6bfc66d621
Markdown2ccc65e9543791dd08106da895e7b75a2af7ae59d420b2cbcc276cc87b4533ab
PDF
Publication page8ff1b7fe9ac29e333b7a25bbff2b1cbb9287a11b0c5bde9a7649d92587331e83
Manifest6dca29c7a8643261bde02736d145da824f9182a618f4b300783966378af17639

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
SignatureIpzyLdxxuY98ObXEXFWY1wl6ygG2rHCXeZ8IJvjA/shjmPKtS+Mqe/15M4mtv5i5TnbYX2iZY78dwniKzTN9CQ==
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

2026-09-17T10:42:14.342379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060960
observed 8ff1b7fe9ac29e333b7a25bbff2b1cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:14.322476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060960/manifest.json
observed 6dca29c7a8643261bde02736d145da82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:14.303830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060960/publication.md
observed 2ccc65e9543791dd08106da895e7b75a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:14.284779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060960/publication.txt
observed f83a8285e74f5c57edef7a12efa27e84...
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.