OpenTechnical

OT-2026-000031097

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000031097) never changes.

Identity and time

Publication numberOT-2026-000031097 · never reused
Internal UUID01a0ae74-3fb8-7b40-9198-7dcdee1d55ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031097
StatusPUBLIC

Content hashes

Canonical text36975206c945d9964d634fe1860dd73648bab24db533a387dc76e9c9763a9475
Markdown5e5bd72012d5a07aed279c4b2b473672602021ce5f5a757194ef0a2aedf7afdc
PDF
Publication page94eeaf101afcd940f4cf2c83bf95bc401d9c3d34ceb8663064e11f777c157db4
Manifest27dbba83547fc6948b0f4128826a0c05bb5958fbbe0fa24b5474b7d91f97a51d

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
Signature83y5VMVHj4Xei6V5Bo7UOkYcQoLuE51BHhPLhVEALN6nShRVliN9TZzu6iXiJEmndytryDpD7zI4q0RzwoSWDQ==
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

2026-09-17T11:40:19.374675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031097
observed 94eeaf101afcd940f4cf2c83bf95bc40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.357044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031097/manifest.json
observed 27dbba83547fc6948b0f4128826a0c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.341805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031097/publication.md
observed 5e5bd72012d5a07aed279c4b2b473672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.324588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031097/publication.txt
observed 36975206c945d9964d634fe1860dd736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.341802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031097
observed 94eeaf101afcd940f4cf2c83bf95bc40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.325300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031097/manifest.json
observed 27dbba83547fc6948b0f4128826a0c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.307954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031097/publication.md
observed 5e5bd72012d5a07aed279c4b2b473672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.291072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031097/publication.txt
observed 36975206c945d9964d634fe1860dd736...
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.