OpenTechnical

OT-2026-000049979

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000049979) never changes.

Identity and time

Publication numberOT-2026-000049979 · never reused
Internal UUID01a0ae81-fd77-7d39-b09a-4a353fb881f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049979
StatusPUBLIC

Content hashes

Canonical text6597d1feeb6ee0a59a6f0c074912f534b50098c9b27f5c312b759f7a33ff2548
Markdowna079b57cc38e3404ac8eee77dac8526bc76d353b8e8ee202ba241a1b5ee94219
PDF
Publication pagee8b13131ac2c737476735c58c447555bdeb8dea68dd3db8fb5e373cde634aaa3
Manifest240ac30ada65272975f7e2626da20a3605066cac2106aeec4ad934d561b989e2

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
SignaturetvJ81B+RCZF1PMr8cxxDARNUkPDGqTzATBdXNHVh/DPD766lKOn+sxB9LOxHvhm7jfbqCSoArGZ2C6cTVuqPDw==
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

2026-09-17T11:01:55.802377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049979
observed e8b13131ac2c737476735c58c447555b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.783177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049979/manifest.json
observed 240ac30ada65272975f7e2626da20a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.763471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049979/publication.md
observed a079b57cc38e3404ac8eee77dac8526b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.743738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049979/publication.txt
observed 6597d1feeb6ee0a59a6f0c074912f534...
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.