OpenTechnical

OT-2026-000034087

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000034087) never changes.

Identity and time

Publication numberOT-2026-000034087 · never reused
Internal UUID01a0ae75-df0c-7a58-a5fc-7927ea3bb6b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034087
StatusPUBLIC

Content hashes

Canonical textded2c20a557da7e800024075418afe95e1d3a8a091600abb69c4790dd6875f5d
Markdown2d5f1ac711fb00bcc7e477ab74f7cd9be19ac2e9be1642dd0cee43e6fce490ab
PDF
Publication pageccdaf7e44e561f237c043f434a569a978d2a8da0518754d32a34e8284373e860
Manifest7ec33a91f2ecb7d4a2f45f377527d956283c8697635ae62d8fe37fa390d8a983

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
Signaturej96xywXYMtcdUh/Z8LXis+4dzy/7yCy14mkr4pbtSuuT1o08UsjwQqJcOACEyDaUVsDdW5qqmNt+TxP+43WKAw==
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

2026-09-17T11:30:27.622951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034087
observed ccdaf7e44e561f237c043f434a569a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.595399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034087/manifest.json
observed 7ec33a91f2ecb7d4a2f45f377527d956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.387627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034087/publication.md
observed 2d5f1ac711fb00bcc7e477ab74f7cd9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.366351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034087/publication.txt
observed ded2c20a557da7e800024075418afe95...
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.