OpenTechnical

OT-2026-000044537

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044537) never changes.

Identity and time

Publication numberOT-2026-000044537 · never reused
Internal UUID01a0ae7c-39d8-7c1d-9496-b692cee98d90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044537
StatusPUBLIC

Content hashes

Canonical text6e40ab52ed098feb777a9f01461dce7c9ced2678e8f035dee9d6c812dde7e1ad
Markdown15fa751614fd4f54e5df9e796f84e25ae616a769fc83dc95fcc6cce48948332d
PDF
Publication pageb634cc984a10899d2428d5c544e270b3de1be186d4cd3b5e8563e4b457d0727d
Manifest42166a3a909d0efa831bca48f5d2152f89937e347735bfafd96365513d184931

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
SignatureTlmegi7ieSTHY0i0wI3POvYt4wjQ2AJgQ0tDqGZoNo4DMN2e6KNElYvmGueLx64ApcteSWuvgVriOaD4RVijCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:11:43.250668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044537
observed b634cc984a10899d2428d5c544e270b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.231228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044537/manifest.json
observed 42166a3a909d0efa831bca48f5d2152f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.213141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044537/publication.md
observed 15fa751614fd4f54e5df9e796f84e25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.195871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044537/publication.txt
observed 6e40ab52ed098feb777a9f01461dce7c...
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.