OpenTechnical

OT-2026-000101215

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000101215) never changes.

Identity and time

Publication numberOT-2026-000101215 · never reused
Internal UUID01a0aea3-c378-7fd6-8b68-1bfa8804f34d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101215
StatusPUBLIC

Content hashes

Canonical textd9d6b501eee89e75589e1b8760fb020ae3e337271b9a0a3d215199510e06d74c
Markdownf3c07abe057a99f8b7f8a84d96f9b0e9a62b212773fce2153d74ab2bc342b294
PDF
Publication page767414df5d6b5c70624b12862d0982088f966d321381c8dd59b18f700ef00914
Manifest7dd9e583132a6d49fca9cc711e009bd3b7db44c9997af46661c3b31d1606258c

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
SignaturedTqfrH9+d2eIHr880Luc7CUNQgPs4UtkL1Ansc2dDV+j7cGG/wYzODRfA6VqrvFcqQOa/rKt+H6aS4bTI+e2DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:52.174576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101215
observed 767414df5d6b5c70624b12862d098208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.158815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101215/manifest.json
observed 7dd9e583132a6d49fca9cc711e009bd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.141739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101215/publication.md
observed f3c07abe057a99f8b7f8a84d96f9b0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.124000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101215/publication.txt
observed d9d6b501eee89e75589e1b8760fb020a...
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.