OpenTechnical

OT-2026-000007553

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000007553) never changes.

Identity and time

Publication numberOT-2026-000007553 · never reused
Internal UUID01a0ae62-4df6-75a3-b362-bce06a27e8f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007553
StatusPUBLIC

Content hashes

Canonical texta0f5f3d25fabd543cdbad01b8b5df590d1748c72cc1b413f2aeebfdb9c4336c7
Markdown09a28a40abf9a9ef5912f40ce5fd600d507453aab727957c97e23b930deb8308
PDF
Publication page99c2bcc74d2c00d67c2c5b88f35dbd356c65df6c16cb26753e146f160f968def
Manifest453299d86525820de5fda5947bdcf0adf1c949adf8a47ce19f93e11b12a3ad4c

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
SignatureuIQ7JAjab28rYLKdfMPz+rV7PVniWrAZipdUXdWn3BCQ2f6HiXATn8WTVoB9ICP0BVVBAVcjcdhWsy+BdF7QBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:23.880955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007553
observed 99c2bcc74d2c00d67c2c5b88f35dbd35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.863772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007553/manifest.json
observed 453299d86525820de5fda5947bdcf0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.846597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007553/publication.md
observed 09a28a40abf9a9ef5912f40ce5fd600d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.829962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007553/publication.txt
observed a0f5f3d25fabd543cdbad01b8b5df590...
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.