OpenTechnical

OT-2026-000081953

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000081953) never changes.

Identity and time

Publication numberOT-2026-000081953 · never reused
Internal UUID01a0ae97-0f77-70f2-b782-b1537557b2d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081953
StatusPUBLIC

Content hashes

Canonical text6c36ccdb30d3bc74c5d293b19b290c74ac24cd6117fdc540e5cd690f8d48f534
Markdown14b7fe3076c332f978f4be4a4c7e40dd44286845d4f683504bff5b66af1cf9de
PDF
Publication page5d8f0b1f4d0f6008b2e8dc3fdf5eddab11478f5af7533e8a4306f2c3bd333bd9
Manifest1c61bb04385ea343ea5dd2d32b85e0173c9502a8e2bc66c3e5461013317e2d93

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
SignaturebTp+C1GtU5ZI2edDN4a791W5aiiY89wr1sA46j+mMGxOQ/pBcF4RtH7g/8NMZakZLKndB1DJ65J7p+O7qQfTCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:05.298471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081953
observed 5d8f0b1f4d0f6008b2e8dc3fdf5eddab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.281336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081953/manifest.json
observed 1c61bb04385ea343ea5dd2d32b85e017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.264246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081953/publication.md
observed 14b7fe3076c332f978f4be4a4c7e40dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.248350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081953/publication.txt
observed 6c36ccdb30d3bc74c5d293b19b290c74...
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.