OpenTechnical

OT-2026-000057520

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000057520) never changes.

Identity and time

Publication numberOT-2026-000057520 · never reused
Internal UUID01a0ae88-2693-7498-873c-c07e7978a9cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057520
StatusPUBLIC

Content hashes

Canonical text557e439531b1a1c3b9a7b7244ddfbd00cd8f827df7fcefed6c45376f2f0dfdc1
Markdown454eb21a50ca55fb34bad050db82b3199dd7341b91e9ca4dbd6c7473641f17ee
PDF
Publication page261ab1e5a1650ac0cf070352cbeb0bdfdcb1228c5edce9fc517c7b68e50746a4
Manifest1e1934fcb62d7fe348d6e3ac719198aa0dcc9c4f2ee966a2b28ad30e7893bf90

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
SignaturePz2Xp2CGHSm200Mqkd73gRMa53O4CFW6OCX5VPQTO7BKWdWqUZ+XbI4x2RFR87TcVgfalrEWAbz9juovZjsQCA==
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

2026-09-17T10:48:03.143914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057520
observed 261ab1e5a1650ac0cf070352cbeb0bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.125445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057520/manifest.json
observed 1e1934fcb62d7fe348d6e3ac719198aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.107293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057520/publication.md
observed 454eb21a50ca55fb34bad050db82b319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.088582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057520/publication.txt
observed 557e439531b1a1c3b9a7b7244ddfbd00...
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.