OpenTechnical

OT-2026-000055780

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000055780) never changes.

Identity and time

Publication numberOT-2026-000055780 · never reused
Internal UUID01a0ae87-09cb-793a-8ea0-e1ef77eea4c3 · 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-2026-000055780
StatusPUBLIC

Content hashes

Canonical text4248349c2690ca26671b526d35c860f5f3b613d002be8bb2575cf63d4fd9909b
Markdownc8d15b2cc52511155d66d35caf3b1e8772e5eea6734d4d627f16375c36a16d3d
PDF
Publication pagea156526f03ad9d35a73fa793fa1a8783cad5548c55ba61b5ab82dacafae3fc81
Manifest555af1c29fe88d03c2f6a78ad1f19e405e5b09509755c4e34a2b1cf1f88e7a64

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
SignatureMuwD0RREAm6ow3i+YZb8QjI0EXBqZi8rAIW0mXjcQwkbhTiCgKTkZMdY6OXLgXShGuTpnK3xX+d4YGUCsu/XBA==
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

2026-09-17T10:51:08.688709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055780
observed a156526f03ad9d35a73fa793fa1a8783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:08.670809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055780/manifest.json
observed 555af1c29fe88d03c2f6a78ad1f19e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:08.653286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055780/publication.md
observed c8d15b2cc52511155d66d35caf3b1e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:08.634620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055780/publication.txt
observed 4248349c2690ca26671b526d35c860f5...
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.