OpenTechnical

OT-2026-000046540

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000046540) never changes.

Identity and time

Publication numberOT-2026-000046540 · never reused
Internal UUID01a0ae7e-57dd-7e6d-9199-5d63ae9bf359 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046540
StatusPUBLIC

Content hashes

Canonical text20543a7f964d27170319ac5eae5338e9b8bf2f7c88e7fae51fc0674a8ea9385d
Markdownc6acef32335c12b3ba48731f0c5d31b4759fbd0ad3d2885a5a34fbc631ec230f
PDF
Publication page3a838fb9082e739bc7cb26f5d2cc570b141508a047c0af3ede9a9129dccdf6b1
Manifestc1e6165b05e727b3c1ef580b409465124a32e32f4785a3f996d1691ac620f35e

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
SignatureGyTxIlcMtOh6hTvBK7ilqA2jJeNFVSN2+95Fr5i2mvIsppJxHhD40uj67aAUIBCwynsJzq+WefwtDhojGRo0AA==
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

2026-09-17T11:08:35.766442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046540
observed 3a838fb9082e739bc7cb26f5d2cc570b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.748710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046540/manifest.json
observed c1e6165b05e727b3c1ef580b40946512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.732468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046540/publication.md
observed c6acef32335c12b3ba48731f0c5d31b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.713542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046540/publication.txt
observed 20543a7f964d27170319ac5eae5338e9...
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.