OpenTechnical

OT-2026-000044302

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000044302) never changes.

Identity and time

Publication numberOT-2026-000044302 · never reused
Internal UUID01a0ae7c-39d6-73b1-9d99-c0cd078f2908 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044302
StatusPUBLIC

Content hashes

Canonical text407b7ed5906cb0727fa874660e0fd355b5c085470f13e9e293e2eea6f0744dea
Markdown33a0532180184128f3c831ac62a082cf65e8408a5dab2221d21c00e0ad1eb7fb
PDF
Publication pagebe45d393fd984e33410638e5a3e1000d2267c6ed4a78448f3aa89a972fe7f88e
Manifest4534fca1b9ff39c3c21341dd219b946f667dd8b4b61b4c84d4f0d965496058ce

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
SignatureAy9kp9pNYVmNp0pxARzBk4406y7D/sRAkWLaF+anKJtP/k4mNQwQ+euDPXXMTOd1hle1q0YpXbWRXtSNKtM1Aw==
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

2026-09-17T08:30:16.277693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044302
observed be45d393fd984e33410638e5a3e1000d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:16.259590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044302/manifest.json
observed 4534fca1b9ff39c3c21341dd219b946f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:16.239529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044302/publication.md
observed 33a0532180184128f3c831ac62a082cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:16.220929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044302/publication.txt
observed 407b7ed5906cb0727fa874660e0fd355...
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.