OpenTechnical

OT-2026-000025895

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000025895) never changes.

Identity and time

Publication numberOT-2026-000025895 · never reused
Internal UUID01a0ae71-a83f-7f14-ac4f-e798e1e4b1c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025895
StatusPUBLIC

Content hashes

Canonical text9aaf546c173ca279bfe66c635d0da2b64cf4c7da82570eea9c40b6d101464250
Markdown561674c1cd2267d9734bdcbc275151baf848557e1e90df020b1f09cfbd31b162
PDF
Publication page4511ffc6f9d3bae36284d93f97ed86d19c128aa95d1d16e83bd4c312f31385f0
Manifest0d5f2cf099b2ff9f0fb645b3f1630866b49873b2390e1b1a54fd5c59213fe6af

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
SignaturemV3IGhqPBWcgX21jATD7YGgQ2cmgNJODPI6ibB7m4Mez37KgW8CKgX7b9raWgM626izHmGojoYHFsogtctAwBQ==
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

2026-09-17T11:46:14.301534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025895
observed 4511ffc6f9d3bae36284d93f97ed86d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:14.281421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025895/manifest.json
observed 0d5f2cf099b2ff9f0fb645b3f1630866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:14.264758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025895/publication.md
observed 561674c1cd2267d9734bdcbc275151ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:14.243704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025895/publication.txt
observed 9aaf546c173ca279bfe66c635d0da2b6...
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.