OpenTechnical

OT-2026-000098902

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000098902) never changes.

Identity and time

Publication numberOT-2026-000098902 · never reused
Internal UUID01a0aea2-8286-71cf-8652-0d12741db0de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098902
StatusPUBLIC

Content hashes

Canonical text2323d380e57be887884cdca27c59b78b80a8658d76e2d1ca0744d807b0ff32fc
Markdown89f2831c35a479d8f2edbfb530de5f0390fa1fc73f719b12e9a6ee82c99e4629
PDF
Publication page82f460a252c679c335e87c79278495bb91bebdc76cab4ad4ae3e449076143c15
Manifestcd4223d7ff348cb4f3b0fa275b9b43fed8b9fcd223c8d106560395c7d787c4d3

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
SignaturenM3QPwyhmfuO/+6Tz2AlgAG0hEcbmBDwpClp8NmEBwVoflD16Mndenf7eo1djvzAPEK035/suGgaKkv7OV/SCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:57.570940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098902
observed 82f460a252c679c335e87c79278495bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.554142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098902/manifest.json
observed cd4223d7ff348cb4f3b0fa275b9b43fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.538342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098902/publication.md
observed 89f2831c35a479d8f2edbfb530de5f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.521506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098902/publication.txt
observed 2323d380e57be887884cdca27c59b78b...
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.