OpenTechnical

OT-2026-000041539

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000041539) never changes.

Identity and time

Publication numberOT-2026-000041539 · never reused
Internal UUID01a0ae79-e89f-7a4c-aa09-cf1cf3354798 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041539
StatusPUBLIC

Content hashes

Canonical text6d584b6c0637a527460a6e4f55516c378447c714e34c93aa40f7d4cc620b5bc8
Markdown0e56681cb0cb070f75815c05308f522b4ea10ff32994857d923e9235082ccee0
PDF
Publication page4793bf37a82d8df9fd57e9c0368fdb33ff53c81ebfc71d09e350300734ce028a
Manifesteda86b5d41b0bc1b9b488c2bb15e2d9a28bbee3c5cce6eb48d70e3a55ea51657

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
Signature/oE6dj9bgdmcMk1JAjPUtlKvDNHenskDIqBWpEFZ+UIYhpPkVdIszjdqwZF0xamZQp8sBH+5BhZU37U0uZkCCA==
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

2026-09-17T11:16:18.838265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041539
observed 4793bf37a82d8df9fd57e9c0368fdb33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.821570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041539/manifest.json
observed eda86b5d41b0bc1b9b488c2bb15e2d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.804543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041539/publication.md
observed 0e56681cb0cb070f75815c05308f522b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.787685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041539/publication.txt
observed 6d584b6c0637a527460a6e4f55516c37...
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.