OpenTechnical

OT-2026-000009641

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000009641) never changes.

Identity and time

Publication numberOT-2026-000009641 · never reused
Internal UUID01a0ae6b-7563-74b3-9ad4-b3fd866314cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009641
StatusPUBLIC

Content hashes

Canonical text63f9ba2a48e824b186b8c055317a8c0fe1b58030e9992c887d3bb9580f4d567b
Markdown29bc19b14cabc2b9380a26929db1c600a77c39f54e1273f6e1f0d3ada7b0ba12
PDF
Publication pagec75ea84014e10269f0fd5f0508343a1ee98656f909c248d230218e609fc69300
Manifestbbc65a700f4d70092f5c055b3ec78d5fb83bbe23f82a4f1575c5937b76c2bdf3

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
Signature+/Swq/ncIYEkmwX5ScJFPVwRQEjQYZjMIiE7lorc2RBS74/Y3/lxm7bupjQatTD7LAZ61af/k1bVEOdVPyouCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:06.326844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009641
observed c75ea84014e10269f0fd5f0508343a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:06.306916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009641/manifest.json
observed bbc65a700f4d70092f5c055b3ec78d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:06.287309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009641/publication.md
observed 29bc19b14cabc2b9380a26929db1c600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:06.266367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009641/publication.txt
observed 63f9ba2a48e824b186b8c055317a8c0f...
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.