OpenTechnical

OT-2026-000027818

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000027818) never changes.

Identity and time

Publication numberOT-2026-000027818 · never reused
Internal UUID01a0ae72-a4a5-7b45-946c-024d63edbcff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027818
StatusPUBLIC

Content hashes

Canonical textec545a66c6159dcd5d7bb6101861fdff3bccaa3c2f515ae257adf56e48564505
Markdownf99bc6199a61ffa8f5c9580392c03c89b682f7b67599b55101137a065e1a2801
PDF
Publication page964ed38e6087d413693864c88602ea45ad1737dd2f0b1bc57f9908e2bbecb275
Manifestbb578ff5792df8e8832de1cb710a35c1799cc08c6407c9a984b6c81ce06170fa

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
SignatureZAIG3ZPs8oEMrCPkmQEbSeAb9GSxrjbhKka2quEAEmcFjjvn4jIM5quQB3RrQBjUHnuMAnSJMRz2Pt3U5vBXBg==
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

2026-09-17T11:41:52.264947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027818
observed 964ed38e6087d413693864c88602ea45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.246546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027818/manifest.json
observed bb578ff5792df8e8832de1cb710a35c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.220814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027818/publication.md
observed f99bc6199a61ffa8f5c9580392c03c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.202999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027818/publication.txt
observed ec545a66c6159dcd5d7bb6101861fdff...
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.