OpenTechnical

OT-2026-000017561

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000017561) never changes.

Identity and time

Publication numberOT-2026-000017561 · never reused
Internal UUID01a0ae6e-76ca-7861-801a-ef362f3b1b4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017561
StatusPUBLIC

Content hashes

Canonical textcc0f3340de9a38f17c99faf245c745ce681358f98e5ccf0052a5e6bb403f62b5
Markdown7e5ff18c4387181078177caf91314b9b39f3731a06acd556d3d9943b5330397c
PDF
Publication page9b99a9ff77247ea829f94b1e5f302d94e25c1df09d00108bcf9b9e2d2634bae3
Manifestfb5f392fe003f4031edcb66216cf29e6840b42ee0973f92f16712e8820c72d06

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
SignatureulHWWPpF+68Zo3iPQyax/og21FxpZ+gsgyr+sO3nRcamlv2exzTDQwzL5vEBF1pByK9n/ZmjjTY8XEzMh5YGBg==
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

2026-09-17T12:02:43.821430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017561
observed 9b99a9ff77247ea829f94b1e5f302d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.803775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017561/manifest.json
observed fb5f392fe003f4031edcb66216cf29e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.787065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017561/publication.md
observed 7e5ff18c4387181078177caf91314b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.768644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017561/publication.txt
observed cc0f3340de9a38f17c99faf245c745ce...
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.