OpenTechnical

OT-2026-000054895

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000054895) never changes.

Identity and time

Publication numberOT-2026-000054895 · never reused
Internal UUID01a0ae86-1285-75f4-92ed-a167d6574f86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054895
StatusPUBLIC

Content hashes

Canonical text0291685c31517a952ec71657f1ae80f053fa042159e2a53a38a3f57f1645f6ae
Markdown74409130b5958ad6abf2a75b4966e94d8312bebf6fecf7cf57f859388e3e0915
PDF
Publication pageb43159fd97ae9a5177e9595cf19bae8553bdb86bec6a9ff4d0ec0cb100384041
Manifestceaf709776baee4b2018bd47eb25a5050212c3cd59ad9dd1445e3ec1e88cae6b

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
SignatureexIntL5RxWrMYOXFun1SrxVQqDQML9/xItqudE5Zlajdk6dDwY92EX3pBCcgoYJYkgNWSbz2pkAUvjkDjcf9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:07.347422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054895
observed b43159fd97ae9a5177e9595cf19bae85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.328201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054895/manifest.json
observed ceaf709776baee4b2018bd47eb25a505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.308170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054895/publication.md
observed 74409130b5958ad6abf2a75b4966e94d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.285539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054895/publication.txt
observed 0291685c31517a952ec71657f1ae80f0...
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.