OpenTechnical

OT-2026-000089074

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000089074) never changes.

Identity and time

Publication numberOT-2026-000089074 · never reused
Internal UUID01a0ae9b-daff-7c57-bfaa-4e75783c9dc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089074
StatusPUBLIC

Content hashes

Canonical text80c9766fa79a45f3aa2ecce1af37f00af0dfaa305c24f4f777670092c8e4e32b
Markdown4b93619cac82c0efcedd7fb1f21b99384a89d915723ab1b8ee1bb7e11fb38f83
PDF
Publication page71827b283b508c1cb600104959115984690b0b1a40fcfc685b47b37de0be4e32
Manifeste12c0e419eae504a926a2365dc5c6e4f97e71c79495d2e2bc1fb7c7167e20ff0

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
SignaturemPX53u1mLSSBQZQsEbRIMjZiAboLzcmTpZDsh1tYpxM1a/WUJJ5VjYDAxrkTe9PlFyTWaNCm+/P1em/blBe0Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:58.578266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089074
observed 71827b283b508c1cb600104959115984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.560775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089074/manifest.json
observed e12c0e419eae504a926a2365dc5c6e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.544931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089074/publication.md
observed 4b93619cac82c0efcedd7fb1f21b9938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.528921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089074/publication.txt
observed 80c9766fa79a45f3aa2ecce1af37f00a...
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.