OpenTechnical

OT-2026-000049098

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000049098) never changes.

Identity and time

Publication numberOT-2026-000049098 · never reused
Internal UUID01a0ae81-134d-7bf4-a569-91f38254670e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049098
StatusPUBLIC

Content hashes

Canonical textc1e78da4017d08b4cf1e31a3d4385b95946cdf53bce1413c6b3829495e1dd8c5
Markdown4ebfad3cc7bc82d5d837523777c635af039be9a7440340c47753868c5f0ff543
PDF
Publication pageb94d1f19501eb92043bcbb508ccbe871b108b6b52e364bf1cf1a658ada152ef2
Manifesta2c46fd2e180bc347c08dbd0fa07e277a58ed58506d559f60022eb683de17fd3

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
SignatureINEOH7BZgqjMD57RfhBfGpPyON7GiIihEUq6A1TbsJyGm3Qd7CpsSn7X1LtaNDYoYEOl84oiUwvQcbDpvgCODA==
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

2026-09-17T11:03:21.169391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049098
observed b94d1f19501eb92043bcbb508ccbe871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.149823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049098/manifest.json
observed a2c46fd2e180bc347c08dbd0fa07e277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.126655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049098/publication.md
observed 4ebfad3cc7bc82d5d837523777c635af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.108949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049098/publication.txt
observed c1e78da4017d08b4cf1e31a3d4385b95...
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.