OpenTechnical

OT-2026-000033835

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000033835) never changes.

Identity and time

Publication numberOT-2026-000033835 · never reused
Internal UUID01a0ae75-a391-770f-bcda-e1eab2775d1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033835
StatusPUBLIC

Content hashes

Canonical text3cba9adfc32b74af338be9b989913a3a7e735fec70e1ba12a23ef42c83563528
Markdown4839b29521cd81c0dbeedf5a18e79af2499cea577d32b6c1a872ab2750a83d58
PDF
Publication page3734a963282c1c26bb170fd14cf58f4733af6655364e85aee764be8be878508a
Manifestb4181d38779c502bc1c54760881ac80dba7eb89662f707f77f535dd375e169dd

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
SignatureVwi3bp0B9FxA8zSbjy56P9WKuvl9/hAznx4PgPtMAGe5r48nn9YvXhYPU7c4xMEeO+iDnSLLbEu9bfi4sWY7CA==
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

2026-09-17T11:31:53.382006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033835
observed 3734a963282c1c26bb170fd14cf58f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.362944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033835/manifest.json
observed b4181d38779c502bc1c54760881ac80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.344413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033835/publication.md
observed 4839b29521cd81c0dbeedf5a18e79af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.326538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033835/publication.txt
observed 3cba9adfc32b74af338be9b989913a3a...
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.