OpenTechnical

OT-2026-000056077

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000056077) never changes.

Identity and time

Publication numberOT-2026-000056077 · never reused
Internal UUID01a0ae87-0a4b-762e-a77b-3e9eda879bd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056077
StatusPUBLIC

Content hashes

Canonical text4cdc55dcf1c08fafefd105a3e8c4c71b661f4c0a613f728cd523e4cb0fd39a6f
Markdown3e6a046a92df8559e58dfcea0f7eef6aa4e355373e7c2e75e1a326106baaa64b
PDF
Publication page5fac9d817cb4724b19393c1a37e91b98e5d8ec7d308f965bc5fc37bea0e1bb85
Manifestbec25c53a98760a418de6a4e4b6960b8e5f8af091f6bea0bad62046bc99c4587

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
SignaturePV27UlgHJO2bvLIa3ZuW1bpZYdHqzM8W1AXnuDKtJe/RsVe3Pb7dC99YEfud7vjhkS31eFpFtNKiwkcX8s7jDA==
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

2026-09-17T10:51:36.837822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056077
observed 5fac9d817cb4724b19393c1a37e91b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.819542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056077/manifest.json
observed bec25c53a98760a418de6a4e4b6960b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.800046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056077/publication.md
observed 3e6a046a92df8559e58dfcea0f7eef6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.779717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056077/publication.txt
observed 4cdc55dcf1c08fafefd105a3e8c4c71b...
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.