OpenTechnical

OT-2026-000049693

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000049693) never changes.

Identity and time

Publication numberOT-2026-000049693 · never reused
Internal UUID01a0ae81-8fee-73e0-85fb-605639d0568e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049693
StatusPUBLIC

Content hashes

Canonical textb7ed4aee0e6f1d6ec79173583dcc7bed1590427abae92e08c580945256f2f09a
Markdown8db9e75918631ad5d31d02f31c1d221b98443018de0b2f2523d5bce64b5df85f
PDF
Publication page790fe71b4a52efe5b29acab0a1512846da10bfcbfaca1c77e41555eebbe574ba
Manifest52e813f6c7bc4e4b716d396b61d43b2d0a38e0b1c8bf1c1fcb11c0af28174b3f

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
SignatureqAghQVAmUmfscmgPRrW0CUuyelzqisQNQJrqpDI1sQWD/C9QJRLz72jVd5eL2MtbcK3ong5Qv4FiOxMkjIkXDA==
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

2026-09-17T11:02:42.281291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049693
observed 790fe71b4a52efe5b29acab0a1512846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.263908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049693/manifest.json
observed 52e813f6c7bc4e4b716d396b61d43b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.246038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049693/publication.md
observed 8db9e75918631ad5d31d02f31c1d221b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.227991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049693/publication.txt
observed b7ed4aee0e6f1d6ec79173583dcc7bed...
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.