OpenTechnical

OT-2026-000101179

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000101179) never changes.

Identity and time

Publication numberOT-2026-000101179 · never reused
Internal UUID01a0aea3-c378-7f44-b846-323109f47c7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101179
StatusPUBLIC

Content hashes

Canonical text689f6d45c784ea96997fcb93c62e86f71553c577b8fe38e7e004fff6815c7c83
Markdown01213552d1bbf4903880824bfe35d0d74167ce0c9235438e28506aeb5e66af3c
PDF
Publication pagec0f4e26bda858181d1273db688a4a5de089a5bed21b89cabae22e5543fc08466
Manifest91ccac4e044093afd7bfd141bf7dffbec8404969f943acaf5313e7a79cf52332

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
SignaturedXhhqHS5Sajnh2gXysZbuEBKRdPTrhlzQamZLpihq7ecTF/9L0m8EzimW+CrFG8dDvrozYQccscEZw83dkb6BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:49.460432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101179
observed c0f4e26bda858181d1273db688a4a5de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.443682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101179/manifest.json
observed 91ccac4e044093afd7bfd141bf7dffbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.426104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101179/publication.md
observed 01213552d1bbf4903880824bfe35d0d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.407918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101179/publication.txt
observed 689f6d45c784ea96997fcb93c62e86f7...
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.