OpenTechnical

OT-2026-000043737

Publication integrity record

Six 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-2026-000043737) never changes.

Identity and time

Publication numberOT-2026-000043737 · never reused
Internal UUID01a0ae7b-d676-7fc0-81e6-2edc19fda5b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043737
StatusPUBLIC

Content hashes

Canonical text1fa4596815f07819a353c505fbfc5224bfb5a6f709f60cde3a3ba2e5225ec384
Markdowneb6f3c430040c95c2a06f0f26d74baa143ea5cb02868e548557d0c036d25cfb3
PDF
Publication page94f59993aa0b8ea751bde7bfa6a5d55bdf806011e4c2d52941cd28c6cdf963fa
Manifest204adbcbdee403a7f0c8bc4398e75cb0be928e1f2098c974d370442d3becf9c0

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
SignaturePPki+wT7r80wu4Flb9yBuXzUARG0xoxoEq5mBM4R/GqWr9MVNdEFtwGgLxxebYd2jQL7mBI0uNgvId6enRJ/CA==
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

2026-09-17T11:12:00.851430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043737
observed 94f59993aa0b8ea751bde7bfa6a5d55b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.832962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043737/manifest.json
observed 204adbcbdee403a7f0c8bc4398e75cb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.814235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043737/publication.md
observed eb6f3c430040c95c2a06f0f26d74baa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.796598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043737/publication.txt
observed 1fa4596815f07819a353c505fbfc5224...
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.