OpenTechnical

OT-2026-000026994

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000026994) never changes.

Identity and time

Publication numberOT-2026-000026994 · never reused
Internal UUID01a0ae72-3453-72fe-be69-af247f731866 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026994
StatusPUBLIC

Content hashes

Canonical text1d8ecfccc56fffd4ea7fed232c9152c1e004ba4ea7cb8ccf052e3e466aed336e
Markdown76c2e60abaf6d7360900ee83a76be749e2b7ced4cfcc4dfb3ede52e33497d7d7
PDF
Publication pagead89d1f00fccc76e4633f3bd843d5af4585acbeb3e5bd6b99754aa933c9d2bb0
Manifest399c69f3851ad63a5011bc878ffbdfc796e240a68734df46685476331f553be6

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
SignatureBJyjxuHAnvsJSeIWC8ESkVxO8YDLAgndVB7ARb1sE3NY27mPaEXL4h2e4e26eYkWoqrHyky1MxEZT/SMHBWgBA==
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

2026-09-17T11:43:37.363759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026994
observed ad89d1f00fccc76e4633f3bd843d5af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.346652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026994/manifest.json
observed 399c69f3851ad63a5011bc878ffbdfc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.328399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026994/publication.md
observed 76c2e60abaf6d7360900ee83a76be749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.312798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026994/publication.txt
observed 1d8ecfccc56fffd4ea7fed232c9152c1...
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.