OpenTechnical

OT-2026-000058768

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000058768) never changes.

Identity and time

Publication numberOT-2026-000058768 · never reused
Internal UUID01a0ae89-479c-717d-8b99-ace2ac54b4e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058768
StatusPUBLIC

Content hashes

Canonical text9052d49c5a7cb7b8b5a0782b61da711c9a87c8cded3400a0fe9b1d7a9fd640b1
Markdown21d7c3b7d1be70508e137444232845e96a5095b81c283a654f2d14cf0a5e4487
PDF
Publication pagec1dbba897830c6b44f3cfc52aa54af9612ee34222dfcf165f1850a2c2e517796
Manifest2e5a05ddf2868323e0e1be51804b1c633c86f320b21719306845d27ed1982aa6

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
SignatureyqJcv/mSXfY57UgAO/Q1kpND6Pn6Mf6AKY910XyhRQjM6Pe9dobUpwj+PW/7ctSGHsOXXsWSwk+7ymY2AmcDAA==
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...

Independent retrieval

2026-09-17T10:46:16.734943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058768
observed c1dbba897830c6b44f3cfc52aa54af96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:16.717231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058768/manifest.json
observed 2e5a05ddf2868323e0e1be51804b1c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:16.698246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058768/publication.md
observed 21d7c3b7d1be70508e137444232845e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:16.680979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058768/publication.txt
observed 9052d49c5a7cb7b8b5a0782b61da711c...
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.