OpenTechnical

OT-2026-000086536

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000086536) never changes.

Identity and time

Publication numberOT-2026-000086536 · never reused
Internal UUID01a0ae9a-2c98-7a8f-9a4b-ca590032db85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086536
StatusPUBLIC

Content hashes

Canonical textdfc2a2a1b6e6c2f68dce37708cf0302b82099301bf66d4eb7ea1b6e73e9a8ce2
Markdowne94370ec98d29757e7f2c53a308081ae413d095362c710cdcfd2248d1a59428f
PDF
Publication page4e979de8fbe75b27d37e9f7ef554d82794224a4b0e91b7f1ae4e3eb7dbea745a
Manifest117628faa72d50a572ff9eb879d276c38e86b9a7e249247fe2f89a6941df820c

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
SignatureNSonQxhbcJpoFTsw6Z7+StjXfL0tBwOUFSjP4ssg1ZHTLSNXE3IiATKbTOQ+RKSTbuYV22vcluhkx1mNxWR4AA==
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

2026-09-17T09:52:21.805938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086536
observed 4e979de8fbe75b27d37e9f7ef554d827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.788042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086536/manifest.json
observed 117628faa72d50a572ff9eb879d276c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.770144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086536/publication.md
observed e94370ec98d29757e7f2c53a308081ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.751716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086536/publication.txt
observed dfc2a2a1b6e6c2f68dce37708cf0302b...
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.