OpenTechnical

OT-2026-000052844

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000052844) never changes.

Identity and time

Publication numberOT-2026-000052844 · never reused
Internal UUID01a0ae84-a42e-7009-9004-dfc558a6ae68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052844
StatusPUBLIC

Content hashes

Canonical text531c65bb6f997538cb23555ed4647636e23032bc62bcce5cc76eafacb5adc36b
Markdowne38e5b97736d09c72ba2a67d01cd321ad0856cf1b3198a71be383a81e0421c3a
PDF
Publication page5465c5d9b9f167bd36e7e4544ef0d0a7abd8b8ad962885de7f446e3b024ec99f
Manifest9820ef4a6224d1b4bf29c4acafa19f5558366ff8da0854101583234bf6148818

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
SignaturefYWNnICm7FHQ5ngc3Y2Etish3bSERJstD0SqQG6EMWnb+xgmAfNmXWZI1e6QBU8Y43zNby8LtaegO4f6dbnCAw==
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

2026-09-17T10:55:52.582791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052844
observed 5465c5d9b9f167bd36e7e4544ef0d0a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:52.566864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052844/manifest.json
observed 9820ef4a6224d1b4bf29c4acafa19f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:52.547806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052844/publication.md
observed e38e5b97736d09c72ba2a67d01cd321a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:52.528098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052844/publication.txt
observed 531c65bb6f997538cb23555ed4647636...
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.