OpenTechnical

OT-2026-000037971

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000037971) never changes.

Identity and time

Publication numberOT-2026-000037971 · never reused
Internal UUID01a0ae77-f88a-797b-a1f6-96cc68269185 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037971
StatusPUBLIC

Content hashes

Canonical textd71f33eaa4b516b4bc2c8aab977a803bf86cf10c868dcbb9b2005ba1c6a0fe7c
Markdownb7f6aa5d3dde56dac425e89285cd7ab542864f016fd7c6d494354b4ab85cf051
PDF
Publication page28cfd04b0de38c01cb21f2e873692efaeb6c670877fa20c137a92dd4e169c5b6
Manifest7bbcf93693b0818d372ce44a7b4dcb101ca17fccdf7de07f92d52c031374791c

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
SignatureSe48+Tblw8OV9Y6wxGHOHtAxR/45cxd279rJ9Uwuv9URQl0y49fPyet7h8ze317N7S4bhJsTIlIN5wsacBYBCQ==
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

2026-09-17T11:23:15.820161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037971
observed 28cfd04b0de38c01cb21f2e873692efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.800101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037971/manifest.json
observed 7bbcf93693b0818d372ce44a7b4dcb10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.781182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037971/publication.md
observed b7f6aa5d3dde56dac425e89285cd7ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.763489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037971/publication.txt
observed d71f33eaa4b516b4bc2c8aab977a803b...
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.