OpenTechnical

OT-2026-000054453

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000054453) never changes.

Identity and time

Publication numberOT-2026-000054453 · never reused
Internal UUID01a0ae86-1282-7544-bb50-d88b1cc0cc4a · 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-2026-000054453
StatusPUBLIC

Content hashes

Canonical text287f93687158f3c3da070f695222a07036203dce8fcc953b386aa878350cae27
Markdowndd8a8194f83d1a89ed330d237c63a0d7723b12ec333ceb8452f7e20c5a658ee5
PDF
Publication page997bf5962001c0b1830483b38743e399aeb03200dbc0a20b3934a58cdb8b1d01
Manifestf2198eb9eba9c3862ccef6b36238a12ecc413aa7f04e1e94208f1a447688a7c8

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
SignatureEynhJjy5WdscdjX/zdTauU03VNTONBZ+twrD/Vor5wuIpJ9iNtLRXLeuv0HiGQ6NoU7PsE82jtd7AFPY936LAA==
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

2026-09-17T10:53:26.535154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054453
observed 997bf5962001c0b1830483b38743e399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.516896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054453/manifest.json
observed f2198eb9eba9c3862ccef6b36238a12e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.499854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054453/publication.md
observed dd8a8194f83d1a89ed330d237c63a0d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.483956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054453/publication.txt
observed 287f93687158f3c3da070f695222a070...
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.