OpenTechnical

OT-2026-000009987

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000009987) never changes.

Identity and time

Publication numberOT-2026-000009987 · never reused
Internal UUID01a0ae6b-cb79-7f09-a0da-9f6f1705a4c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009987
StatusPUBLIC

Content hashes

Canonical textd0b76060ee30480eafa72d7df2a2ff43362439f6fb790ab8510afa807d4f07c9
Markdownfcec3e510e8374f39bcb2ffa5dc3d8920b8904a196c2bda1ffec53f99e866823
PDF
Publication pagefab9e9b7328e11e6a523bccb6f4437599d4800bbb2930b100358eeaf806d7159
Manifestbfb26cff65a9fdb869b80b739858d147cc146bd36304f4fe521343aa38e46c8b

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
SignatureHsMEoBGJS922i7dv4oTZDcoQePot4x+OX2FW0me7f22RAB+eb+PTu1rtB5vWxL4VVHW5PRt+q0B0uELlUqkTBg==
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

2026-09-17T12:16:01.984789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009987
observed fab9e9b7328e11e6a523bccb6f443759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.966614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009987/manifest.json
observed bfb26cff65a9fdb869b80b739858d147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.947022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009987/publication.md
observed fcec3e510e8374f39bcb2ffa5dc3d892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.926600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009987/publication.txt
observed d0b76060ee30480eafa72d7df2a2ff43...
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.