OpenTechnical

OT-2026-000005288

Publication integrity record

Porous face vacuum gripper, three outlet manifold, pump fed, 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-2026-000005288) never changes.

Identity and time

Publication numberOT-2026-000005288 · never reused
Internal UUID01a0a933-fd94-75b6-92fd-5370db6b65e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:52:31.895436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005288
StatusPUBLIC

Content hashes

Canonical textaea1ff3911c9865ce7e84625de2c72121fea3155caee68b973522f94221dd8ef
Markdown11ffb1420f98310e540434bf533d4ce8d02110ea1533f4080436fb78d57e23bb
PDF
Publication page5755434ea134689aa72b453be5fe9df49f7228cda6b6b4bc0abbcbba9e111f97
Manifest6d073452c1be629d7b8fb17286feacd1245bfa79c795b9e759360b7dc0120624

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
SignatureC+o+K7i1IY+9x5zdEigMHGNqkDf1Fvq5RZT7dyLJfzGT9XGhdMsBchypq6WuOTulEx+6wZVizwI0yoCddVQRBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:26.463581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005288
observed 5755434ea134689aa72b453be5fe9df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.450119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005288/manifest.json
observed 6d073452c1be629d7b8fb17286feacd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.436829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005288/publication.md
observed 11ffb1420f98310e540434bf533d4ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.423614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005288/publication.txt
observed aea1ff3911c9865ce7e84625de2c7212...
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.