OpenTechnical

OT-2026-000027958

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000027958) never changes.

Identity and time

Publication numberOT-2026-000027958 · never reused
Internal UUID01a0ae72-a51f-7f4a-a460-e3732ef6b4cc · 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-2026-000027958
StatusPUBLIC

Content hashes

Canonical textdd9bd7070e08f86f90315862b2369b92de6fc72df9f8c4bb698f9f4e9da18b47
Markdowna108508ef39d9835f46e6bdab47f78bb251882a43d15885db6d85387e318d4e0
PDF
Publication page802fe820abe4218e51f2710d131c42997f01b7c3b99e762d3b1d24381fbe219b
Manifest35469dcc22e27ba488d11b8051d24706296a2179a4911e50591b592bbdd562d3

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
SignatureHODCW1hHyWukYErjjswGMpWLqLRkwTspWe8D0gzp4KNMduBb5lW1+9nIVx/IX9HnNjQap0jR/1KWle3bCEeRCA==
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

2026-09-17T11:42:08.740952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027958
observed 802fe820abe4218e51f2710d131c4299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.723324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027958/manifest.json
observed 35469dcc22e27ba488d11b8051d24706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.705137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027958/publication.md
observed a108508ef39d9835f46e6bdab47f78bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.685748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027958/publication.txt
observed dd9bd7070e08f86f90315862b2369b92...
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.