OpenTechnical

OT-2026-000098899

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000098899) never changes.

Identity and time

Publication numberOT-2026-000098899 · never reused
Internal UUID01a0aea2-8286-765e-9465-ac5bff86eb4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098899
StatusPUBLIC

Content hashes

Canonical textbde108a8db7b6900f52ab7a6f00552db076c3c211b3ecc2aaa93464346af3c6d
Markdown1e29dd142b3eb3f2a06c7415d33505194263fc8ae2aa45c7150c446ffa0e3f54
PDF
Publication page98d8ca2928eb74a52482853fbcd873fb9455c06e256518cb5d2cb7000042be7e
Manifest5f075126577d068c0b1bc52b94679c5a0ec9a35194d10375425c73c783159ccb

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
SignatureisHgwbA2SsvZJm6HkjsTlznLpINhdDoUlv0JHvsQ3RQ/UaCrPmiPlR/ByYugUYnOTThjGO/luMAAc3Z+9VUVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:57.356252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098899
observed 98d8ca2928eb74a52482853fbcd873fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.338925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098899/manifest.json
observed 5f075126577d068c0b1bc52b94679c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.321782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098899/publication.md
observed 1e29dd142b3eb3f2a06c7415d3350519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.305173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098899/publication.txt
observed bde108a8db7b6900f52ab7a6f00552db...
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.